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A Trusted China Manufacturer Since 2007!

TPU Waterproof Bag Manufacturer | Custom Bags Factory China

Custom OEM & ODM waterproof bags made from TPU, PVC, coated fabrics, webbing, leather trims, EVA components, and engineered materials. Lovrix develops TPU waterproof bags for outdoor, marine, travel, sports, fishing, motorcycle, promotional, and industrial protection projects. With 18+ years of bag manufacturing experience, material development resources, in-house design support, fabric supply, webbing production, printing, sample making, and bag assembly, Lovrix helps brands move from product concept to finished shipment with controlled quality.
  • Flexible MOQ from 300–500 pcs
  • Regular samples in 5–7 days
  • Complex samples in 7–15 days
  • Bulk production in 25–30 days
  • 100% pre-shipment inspection

Why Brands Choose TPU Waterproof Bags

TPU waterproof bags are built for projects requiring soft handfeel, welded sealing, outdoor durability, lightweight structure, and stronger product positioning than ordinary rain-resistant bags.

Material Advantage

TPU offers excellent flexibility, abrasion resistance, cold-temperature performance, and a premium surface finish. Compared with many PVC options, TPU can deliver a softer touch, lighter structure, and cleaner brand image for outdoor, marine, travel, and lifestyle lines.

  • Suitable for dry bags, waterproof backpacks, pouches, and duffels
  • Works with nylon or polyester base fabrics
  • Supports matte, glossy, transparent, or colored surfaces
  • Better fit for mid-to-high-end product programs

Waterproof Reliability

Waterproof performance depends on material, closure system, welding process, zipper selection, pressure points, and quality control. Lovrix reviews structure before sampling, helping reduce leakage risk from weak seams, poor fold closure, unsuitable zipper, or overloaded strap positions.
  • RF welding and heat sealing options
  • Roll-top and zipper closure development
  • Seam strength inspection before shipment
  • Suitable for wet outdoor and water-adjacent use

Brand Development

TPU waterproof bags are not simple stock items for serious product programs. Brand teams often need special size, logo, packaging, color, webbing, buckle, shoulder strap, and product series planning. Lovrix supports material selection, sample development, production engineering, and export delivery.
  • OEM and ODM support
  • Custom logo and packaging
  • Product series development
  • English-speaking project communication

TPU Waterproof Bag Product Range

Lovrix manufactures TPU waterproof bags for outdoor retail, sports equipment, marine use, travel accessories, e-commerce launches, corporate programs, and industrial protection.

TPU Dry Bags

TPU dry bags are designed for kayaking, beach trips, camping, boating, and outdoor storage. Lovrix can develop 2L, 5L, 10L, 20L, 30L, and larger sizes with roll-top closure, welded seams, reinforced bottom panels, printed logo, transparent window, or detachable shoulder strap.

Waterproof Backpacks

Waterproof backpacks are suitable for outdoor, cycling, fishing, commuting, and water sports brands. Lovrix supports 15L, 20L, 25L, 30L, and 40L structures with padded straps, welded body panels, side buckles, D-rings, reflective webbing, and roll-top or zipper opening.

Waterproof Duffel Bags

TPU waterproof duffel bags are often used for marine, expedition, fishing, motorcycle, and heavy-duty travel lines. Lovrix can develop 40L, 60L, 80L, and custom capacities with reinforced handles, shoulder straps, welded bottom panels, zipper closure, inner mesh pockets, and brand labels.

Waterproof Tote Bags

TPU waterproof tote bags work well for beach, pool, boating, and lifestyle travel programs. Lovrix can create open-top, zipper-top, roll-top, or snap-closure designs with soft TPU laminated fabric, reinforced handles, inner pouch, color-block panels, and printed or embossed logo details.

Phone Pouches

Waterproof phone pouches are suitable for swimming, boating, beach travel, festivals, resorts, and promotional programs. Lovrix can produce clear TPU windows, touch-screen compatible structures, adjustable neck straps, safety lock closure, floating foam insert, and customized retail packaging.

Waterproof Waist Bags

Waterproof waist bags are developed for fishing, boating, outdoor events, beach sports, and travel security. Lovrix supports 1L, 2L, and 3L capacities with welded body panels, waterproof zipper, adjustable belt, reflective logo, hidden pocket, and lightweight TPU or TPU-laminated fabric.

Waterproof Sling Bags

Waterproof sling bags combine travel convenience with weather protection. Lovrix can manufacture compact single-strap designs, crossbody waterproof structures, front zipper pockets, welded seams, TPU-coated fabric panels, adjustable straps, buckle closure, and customized brand color combinations.

Kayak Deck Bags

Kayak deck bags require stable attachment, splash protection, and easy access. Lovrix can develop low-profile TPU waterproof structures with D-rings, bungee attachment points, clear top panels, welded seams, reinforced corners, and high-visibility color options for water sports brands.

Fishing Gear Bags

Fishing gear bags require waterproof storage, saltwater resistance, strong handles, and easy cleaning. Lovrix can manufacture TPU fish bags, tackle storage bags, roll-top dry bags, waterproof waist bags, and soft cooler structures with reinforced webbing and sealed seams.

Waterproof Cooler Bags

Waterproof cooler bags combine insulation with water-resistant or fully welded outer construction. Lovrix can develop TPU outer shells, foam insulation layers, leak-resistant lining, zipper closure, shoulder strap, bottle holder, printed logo, and retail-ready packaging for beverage or outdoor programs.

Motorcycle Waterproof Bags

Motorcycle waterproof bags require secure fixing, high abrasion resistance, strong webbing, and weather protection. Lovrix can produce roll-top saddlebags, tail bags, handlebar bags, dry duffels, and TPU-coated travel bags with reinforced stress points and reflective details.

Industrial Waterproof Bags

Industrial waterproof bags are suitable for tools, rescue kits, emergency gear, medical supplies, electronics, and field equipment. Lovrix can customize heavy-duty TPU material, reinforced base panels, label windows, color coding, welded seams, and carton packing for professional use.

Who We Serve

Built for Serious Brand Programs Lovrix supports product teams seeking reliable waterproof bag manufacturing, material development, custom design, controlled sampling, stable mass production, and export-ready delivery.

Outdoor Gear Brands

Outdoor gear brands need dry bags, backpacks, duffels, and accessory pouches able to handle rain, mud, wet decks, and repeated outdoor handling. Lovrix can support TPU material selection, welded structures, reinforced webbing, color planning, size grading, and brand packaging for seasonal product lines.

Marine Brands

Marine and boating brands often require splash protection, roll-top sealing, D-rings, bright colorways, floating structures, corrosion-resistant trims, and durable webbing. Lovrix can develop waterproof storage bags, kayak bags, deck bags, phone pouches, and soft gear containers for marine use.

Travel Bag Brands

Travel brands focus on lightweight structure, clean appearance, compact storage, logo visibility, and luggage-friendly functionality. Lovrix can design waterproof totes, pouches, sling bags, foldable dry bags, and duffel bags with packaging suitable for retail, e-commerce, and travel accessory collections.

Fishing Gear Companies

Fishing gear programs require waterproof storage, washable surfaces, strong handles, reinforced seams, tackle organization, and field durability. Lovrix can support TPU fish bags, dry storage bags, cooler bags, waist packs, and waterproof accessory pouches for freshwater and saltwater environments.

Motorcycle Gear Brands

Motorcycle waterproof bags need abrasion resistance, strong mounting points, reflective details, compact structure, and secure closure. Lovrix can customize TPU saddlebags, roll-top tail bags, handlebar pouches, and duffel bags with reinforced straps, buckle systems, and heavy-duty stitching where needed.

Amazon & DTC Brands

Online brands need flexible MOQ, fast samples, strong visuals, packaging, barcodes, carton labels, and stable reorder capacity. Lovrix supports 300–500 pcs start orders, 5–7 day regular samples, logo customization, retail packaging, and export shipping via express, air, or sea.

Gift Companies

Promotional and corporate gift suppliers often need logo waterproof pouches, event dry bags, outdoor giveaway packs, and travel storage bags. Lovrix can support low-complexity customization, color matching, fast quotation, branded inserts, hang tags, and bulk packaging for campaign deadlines.

Industrial Gear Teams

Industrial programs require durable storage for tools, field supplies, emergency gear, medical kits, or electronics. Lovrix can develop heavy-duty TPU waterproof bags with clear label windows, reinforced bottom panels, color-coded designs, welded seams, and functional carrying systems.

TPU Materials for Different Bag Structures

TPU waterproof bag performance starts with material selection. Lovrix helps match base fabric, coating, thickness, surface finish, flexibility, and welding method according to product use.

TPU Coated Nylon

TPU coated nylon is suitable for waterproof backpacks, dry bags, duffels, motorcycle bags, and premium outdoor bags. It offers strong tear resistance, good flexibility, and better handling for products requiring repeated folding, carrying, and exposure to wet outdoor environments. Recommended use:
  • Waterproof backpacks
  • Outdoor dry bags
  • Motorcycle bags
  • Kayak deck bags

TPU Laminated Polyester

TPU laminated polyester provides balanced cost, stable structure, and good surface finish. It works well for mid-volume waterproof pouches, tote bags, travel bags, event bags, and promotional waterproof accessories needing clean print results and controlled production consistency. Recommended use:
  • Waterproof totes
  • Travel pouches
  • Promotional dry bags
  • Lightweight sling bags

Transparent TPU

Transparent TPU is often selected for phone pouches, document bags, map pouches, stadium pouches, and beach accessories. Lovrix can develop clear window structures, touch-compatible phone areas, safety lock closures, and color-trim combinations for retail-ready products. Recommended use:
  • Phone pouches
  • Document cases
  • Beach bags
  • Stadium bags

Matte TPU

Matte TPU creates a premium outdoor look with reduced shine and cleaner brand presentation. It is suitable for lifestyle waterproof bags, travel totes, waterproof sling bags, and higher-end product lines requiring soft appearance, subtle logo placement, and modern color direction. Recommended use:
  • Travel waterproof bags
  • Lifestyle dry bags
  • Premium totes
  • Outdoor sling bags

Heavy-Duty TPU Fabric

Heavy-duty TPU fabric is selected for large duffels, industrial storage, rescue bags, fishing bags, and marine programs. Lovrix can combine thicker TPU fabric with reinforced webbing, stronger handles, welded seams, and heavier bottom panels for load-bearing structures. Recommended use:
  • Waterproof duffels
  • Fishing gear bags
  • Industrial bags
  • Rescue storage bags

Colored TPU Fabric

Colored TPU fabric helps brands create product identity through signature color systems. Lovrix supports black, white, navy, orange, yellow, army green, transparent color, and custom color directions based on material availability and order quantity. Recommended use:
  • Outdoor collections
  • Marine safety bags
  • Gift programs
  • Seasonal color lines

TPU, PVC, and PU Material Comparison

MaterialWaterproof PerformanceFlexibilityCold ResistanceSurface FeelCost LevelBest Fit
TPUHighExcellentStrongSoft, premiumHigherPremium dry bags, backpacks, phone pouches
PVCHighMediumMediumHeavier, firmerLowerLarge dry bags, budget waterproof bags
PU CoatingMediumGoodMediumFabric-likeMediumRain-resistant travel bags, light outdoor bags
TPU Laminated FabricHighExcellentStrongSmooth and durableMedium-HighBranded outdoor and marine products

Waterproof Construction Options for TPU Bags

A waterproof bag depends on material, closure, seam sealing, stress-point reinforcement, and final testing. Lovrix develops structure according to target use, capacity, and required protection level.

RF Welding

RF welding creates sealed seams without traditional needle holes. It is widely used for TPU dry bags, phone pouches, waterproof backpacks, duffels, and industrial bags. Lovrix can apply RF welding for panels, edges, bottom structures, windows, and reinforced sections.

Heat Sealing

Heat sealing works well for TPU laminated fabrics and waterproof pouch structures. It provides efficient sealing for lightweight bags, document pouches, phone pouches, packaging-style waterproof accessories, and compact outdoor storage items requiring clean seam lines.

Ultrasonic Sealing

Ultrasonic sealing can be used for selected technical structures and lighter waterproof components. Lovrix evaluates material thickness, edge construction, and product size before selecting ultrasonic sealing for small waterproof items, accessory compartments, or layered TPU details.

Roll-Top Closure

Roll-top closure is common for dry bags and waterproof backpacks. The upper opening folds several times and locks with buckles to reduce water entry. Lovrix can adjust opening height, buckle size, webbing strength, and side clip placement according to capacity.

Waterproof Zipper

Waterproof zippers are often used on sling bags, waist bags, duffels, and travel waterproof bags. Lovrix can recommend zipper type according to use level, opening length, product size, cost target, and required sealing performance.

Hybrid Construction

Some TPU waterproof bags combine welded panels with sewn straps, padded shoulder systems, inner pockets, or outer webbing. Lovrix engineers stress points carefully so carrying strength and waterproof zones work together without weakening key protection areas.

Waterproof Ratings Guide for Bag Projects

RatingProtection MeaningCommon Product Fit
IPX4Splash protection from different directionsTravel pouches, light rain bags
IPX5Water jet protectionOutdoor accessory bags
IPX6Strong water jet protectionRoll-top dry bags, boating bags
IPX7Short-time immersion under defined conditionsPhone pouches, selected dry bags
IPX8Extended immersion under defined conditionsSpecialized waterproof cases and pouches

Custom Sizes for TPU Waterproof Bags

Product TypeCommon Size / CapacityCommon Use
Mini Dry Bag2L–5LPhone, wallet, keys, beach items
Standard Dry Bag10L–20LKayaking, camping, boating
Large Dry Bag30L–40LOutdoor clothing, travel gear
Waterproof Backpack15L–40LHiking, cycling, fishing, commute
Waterproof Duffel40L–80LMarine, motorcycle, expedition
Phone Pouch6–7 inch phonesSwimming, travel, water parks
Waist Bag1L–3LFishing, events, beach travel
Waterproof Tote10L–25LPool, beach, lifestyle travel

LOGO and Branding Options for TPU Waterproof Bags

Lovrix supports logo, label, color, packaging, and retail presentation for waterproof bag programs. Branding method can be matched to material surface, order quantity, cost target, and product positioning.

Screen Printing

Screen printing works well for simple logos, large brand marks, warning icons, and promotional waterproof bags. It offers efficient cost control for medium and large orders and suits TPU, PVC, coated fabric, and selected laminated surfaces after compatibility testing.

Heat Transfer

Heat transfer supports sharp logo details, multiple colors, gradient artwork, and clean surface presentation. It is suitable for waterproof backpacks, sling bags, waist bags, pouches, and lifestyle waterproof products requiring stronger visual identity.

Digital Printing

Digital printing is suitable for artwork-heavy projects, special graphics, limited-edition patterns, and brand campaigns. Lovrix can review artwork files, color direction, print area, material surface, and quantity before selecting suitable printing route.

Embossed Logo

Embossed logos create a subtle premium finish on selected TPU or rubber patch surfaces. It suits high-end outdoor, travel, and marine products where understated branding feels stronger than large printed graphics.

Debossed Logo

Debossed branding can create a clean recessed logo effect on patches, trims, or selected components. Lovrix can combine debossed details with woven labels, rubber patches, zipper pullers, and custom packaging for stronger product recognition.

Rubber Patch

Rubber patches are popular for outdoor waterproof bags because of their dimensional appearance and durable feel. Lovrix can develop PVC or TPU rubber patches in custom shapes, colors, sizes, and logo styles.

Woven Label

Woven labels are useful for brand identification, care information, product series marking, or internal organization. Lovrix can add woven labels on straps, inner seams, pouches, packaging, or removable accessories according to design requirements.

Custom Packaging

Packaging can include poly bags, hang tags, insert cards, barcode labels, color boxes, and master cartons. Lovrix offers packaging design support through product, packaging, and graphic design resources.

Webbing, Buckles, and Carrying Systems

TPU waterproof bags need strong carrying components. Lovrix owns webbing development resources and can match strap strength, buckle size, D-ring placement, and carrying structure to product use.

Nylon Webbing

Nylon webbing provides high strength, good abrasion resistance, and a smooth handfeel. It is suitable for shoulder straps, compression straps, handle systems, motorcycle fixing straps, and outdoor waterproof bags requiring stronger load-bearing performance.

Polyester Webbing

Polyester webbing offers stable shape, controlled cost, and good color consistency. It is often used for dry bag straps, tote handles, backpack webbing, waist belts, and promotional waterproof bags with medium load requirements.

Reflective Webbing

Reflective webbing improves visibility for cycling, motorcycle, marine, rescue, and night outdoor use. Lovrix can add reflective straps, piping, pull tabs, or logo details to waterproof backpacks, sling bags, duffels, and field gear bags.

Buckles and Clips

Buckles influence closure strength, roll-top performance, strap adjustment, and user experience. Lovrix can source or develop side-release buckles, ladder locks, swivel hooks, sternum clips, and heavy-duty hardware according to product structure.

D-Rings and Hooks

D-rings, hooks, and attachment loops are important for kayak bags, motorcycle bags, marine pouches, and outdoor storage bags. Lovrix can reinforce attachment zones through welded patches, sewn reinforcements, or hybrid construction.

Padded Straps

Padded straps improve comfort for backpacks, duffels, and heavy dry bags. Lovrix can combine foam padding, mesh fabric, reinforced stitching, adjustable sliders, sternum straps, and logo webbing for better carrying experience.

OEM and ODM Development Support

Lovrix supports both brand-supplied designs and full development from early concept. Our teams can assist with structure, material, sample making, packaging, and production preparation.

Drawing-Based Sampling

Brands can send drawings, tech packs, product sketches, CAD files, or reference dimensions. Lovrix reviews material, structure, closure, webbing, logo placement, packaging, and estimated production route before sample development.
Key support:
  • Dimension review
  • Material recommendation
  • Construction check
  • Sample feasibility feedback

Sample-Based Development

Brands can send a physical sample or reference product for structure study. Lovrix can improve material, reduce unnecessary cost, strengthen waterproof zones, adjust capacity, redesign pockets, or change logo and packaging direction.
Key support:
  • Sample analysis
  • Pattern development
  • Structure improvement
  • Cost review

Material Recommendation

Material selection is essential for TPU waterproof bags. Lovrix can recommend TPU-coated nylon, TPU laminated polyester, transparent TPU, PVC, PU-coated fabric, EVA components, neoprene parts, or hybrid material combinations according to product use.
Key support:
  • Thickness selection
  • Surface finish
  • Color direction
  • Welding compatibility

Product Line ODM

Lovrix can support product series creation for outdoor, marine, travel, fishing, and motorcycle brands. A series may include dry bags, backpacks, duffels, pouches, phone cases, waist bags, and retail packaging under one visual identity.
Key support:

  • Product matrix planning
  • Style consistency
  • Brand color system
  • Packaging direction

 

TPU Waterproof Bag Sampling Process

Lovrix follows a structured sampling workflow to reduce development errors and help brand teams review material, structure, waterproof performance, and appearance before production.

Requirement Review

Send product type, size, target capacity, material idea, waterproof requirement, logo artwork, quantity, and target market. Lovrix reviews the project and confirms major technical points before quotation.

Material Selection

Lovrix recommends TPU, PVC, TPU-coated nylon, TPU laminated polyester, transparent TPU, or hybrid material options according to strength, handfeel, cost, appearance, and waterproof target.

Pattern and Structure

Pattern makers prepare structure based on size, closure, panel layout, carrying method, stress points, webbing placement, and welding route. Special attention is given to seams, corners, openings, and load-bearing zones.

Prototype Making

Regular samples usually take 5–7 days. Designs involving special components, molded accessories, complex structure, or special process usually take 7–15 days.

Sample Testing

Lovrix checks appearance, dimensions, seam sealing, closure function, logo quality, strap strength, and waterproof performance according to project requirements.

Revision and Approval

After sample review, Lovrix supports adjustment on size, material, color, logo, handle, closure, strap, packaging, or cost structure before moving into bulk production.

From Approved Sample to Shipment

After sample approval, Lovrix prepares materials, confirms production details, controls process quality, and completes final inspection before shipment.

Material Preparation

TPU fabric, coated fabric, webbing, buckles, zipper, labels, logo materials, packaging, and carton materials are checked before production.

Cutting

Panels are cut according to approved pattern dimensions. Cutting accuracy affects welding alignment, finished shape, and product capacity.

Welding and Assembly

RF welding, heat sealing, sewing, hybrid assembly, strap fixing, logo application, and hardware installation are arranged according to product structure.

In-Process Inspection

Lovrix checks seam quality, size consistency, strap placement, closure alignment, logo position, and workmanship during production.

Waterproof and Functional Check

Water leakage, seam strength, zipper function, buckle operation, strap pull strength, and final product appearance are checked according to project standards.

Packing and Shipment

Bulk production normally takes 25–30 days. Lovrix supports express, air, and sea shipment under EXW, FOB, DAP, or DDP trade terms.

Quality Control for TPU Waterproof Bags

Lovrix applies inspection across material, welding, structure, function, logo, packaging, and shipment stages. Every order receives 100% pre-shipment inspection.

Material Inspection

Incoming TPU fabric, coated fabric, webbing, buckles, zipper, labels, and packaging materials are checked before production. Lovrix reviews surface defects, color consistency, thickness, handfeel, roll width, and material compatibility with welding or printing.

Welded Seam Check

Welded seams are key to waterproof bag performance. Lovrix checks seam alignment, sealing width, corner strength, edge finish, weak points, skipped sections, and pressure marks during production and final inspection.

Leakage Test

Waterproof bags can receive leakage checks according to product type and agreed test method. Roll-top bags, pouches, duffels, and phone cases require different testing logic because closure design affects final protection level.

Pull Strength Test

Handles, straps, D-rings, buckles, and webbing zones are checked for stress resistance. Lovrix reviews reinforcement placement and carrying structure, especially for backpacks, duffels, motorcycle bags, and heavy-duty dry bags.

Logo Inspection

Logo quality affects brand appearance. Lovrix checks print position, color, adhesion, edge clarity, patch placement, woven label attachment, and packaging logo consistency before packing.

Final Inspection

Finished bags are checked before shipment. Inspection covers size, appearance, function, welding, closure, straps, packaging, carton marks, quantity, and order details.

Waterproof Testing methods for TPU Bag Projects

Waterproof testing must match product use. Lovrix can support suitable test methods for dry bags, pouches, backpacks, duffels, and technical waterproof structures. 

Air Inflation Test

Air inflation testing can help identify welded seam leakage on selected waterproof bag structures. The bag is inflated under controlled conditions, then checked for weak seams, corner leakage, valve area issues, or sealing defects.

Water Immersion Test

Immersion testing is often used for selected phone pouches, small dry bags, and sealed structures. Test conditions must be agreed before production, including water depth, time, closure method, and acceptance criteria.

Spray Test

Spray testing is suitable for splash-resistant bags, roll-top dry bags, and travel waterproof products. It helps check closure direction, seam performance, zipper protection, and real rain or splash resistance.

Seam Pressure Check

Seam pressure checks focus on welded areas, corners, and reinforced zones. Lovrix reviews whether welding width, material thickness, and edge treatment can support the intended product use.

TPU Waterproof Bags for Different Uses

TPU waterproof bags can serve outdoor, marine, travel, sports, fishing, rescue, and industrial programs. Lovrix develops structures based on where the bag will be used.

Kayaking

Kayaking dry bags need roll-top closure, strong clips, deck attachment points, and bright colors for water visibility. Lovrix can design compact dry bags, deck bags, phone pouches, and waterproof backpacks for paddle sports brands.

Boating

Boating bags require splash protection, corrosion-resistant trims, reinforced handles, and easy cleaning. Lovrix can develop waterproof duffels, storage pouches, marine dry bags, and gear bags for boat owners and marine retailers.

Camping

Camping waterproof bags protect clothing, food, electronics, sleeping accessories, and personal gear from wet ground and rain. Lovrix can create dry bag sets, backpack liners, roll-top storage bags, and outdoor utility pouches.

Fishing

Fishing bags need saltwater tolerance, washable surfaces, strong straps, and organized storage. Lovrix can manufacture tackle pouches, fish bags, waterproof waist bags, dry storage bags, and cooler-style waterproof structures.

Beach Travel

Beach travel bags focus on lightweight design, sand resistance, color, logo visibility, and easy cleaning. Lovrix can develop waterproof totes, phone pouches, cosmetic pouches, dry bags, and transparent TPU accessories.

Motorcycle Riding

Motorcycle waterproof bags need strong mounting systems, abrasion resistance, reflective details, and compact fixing points. Lovrix can develop saddlebags, tail bags, handlebar pouches, roll-top duffels, and waterproof tool bags.

Hiking

Hiking waterproof bags require lightweight protection, comfortable straps, compact storage, and weather resistance. Lovrix can develop waterproof backpacks, pack liners, waist bags, rainproof accessory pouches, and roll-top dry bags.

Rescue Gear

Rescue gear bags require high visibility, durable carrying points, strong waterproof panels, and clear labeling. Lovrix can develop orange, yellow, red, or color-coded waterproof bags for emergency kits and field equipment.

Industrial Protection

Industrial waterproof bags protect tools, electronics, medical supplies, samples, or technical equipment from moisture and dirt. Lovrix can customize heavy-duty TPU bags with label windows, reinforced base panels, and strong handles.

TPU Waterproof Bag Styles for Brand Collections

Lovrix can help brands build different waterproof bag styles according to market position, retail price, usage scenario, and visual identity.

Premium Outdoor Line

A premium outdoor line can include matte TPU dry bags, welded waterproof backpacks, reinforced duffels, and accessory pouches. Common details include low-saturation colors, strong webbing, subtle logo, waterproof zipper, and retail-ready packaging.

Marine Equipment Line

A marine line usually needs bright colors, roll-top structures, D-rings, deck attachment systems, and strong handles. Orange, yellow, blue, white, and transparent panels are often used for boating, kayaking, and water sports products.

Travel Lifestyle Line

Travel waterproof bags can use softer TPU materials, neutral colors, clean silhouettes, compact pouch sizes, and refined logo placement. Suitable products include waterproof totes, sling bags, cosmetic bags, phone pouches, and travel organizers.

Fishing Gear Line

Fishing gear lines require washable materials, reinforced handles, strong bottom panels, and waterproof storage areas. Product options include fish bags, tackle bags, cooler bags, dry pouches, and waist packs.

Motorcycle Touring Line

Motorcycle touring products need dark colors, reinforced panels, reflective details, quick-fix straps, and secure buckles. Lovrix can develop saddlebags, tail bags, roll-top duffels, and waterproof accessory bags.

Event Promotion Line

Promotional waterproof bags need simple structures, visible logo, controlled cost, fast production, and bulk packaging. Common products include 5L dry bags, phone pouches, drawstring-style waterproof bags, and lightweight festival packs.

Industrial Utility Line

Industrial utility products need heavier fabric, strong handles, simple structure, clear labels, and easy cleaning. Lovrix can support tool bags, field gear bags, medical storage bags, and waterproof equipment pouches.

Retail Gift Line

Retail gift lines focus on smaller sizes, attractive packaging, color sets, hang tags, and strong shelf presentation. Common products include phone pouches, mini dry bags, waterproof cosmetic pouches, and travel waterproof kits.

Manufacturing Data for TPU Waterproof Bags

Lovrix provides clear project information for quotation, sampling, production, payment, and shipment planning.

ItemLovrix Standard
Flexible MOQ300–500 pcs
Regular Sample Time5–7 days
Complex Sample Time7–15 days
Bulk Production Time25–30 days
Inspection100% pre-shipment inspection
Shipping MethodsExpress, air, sea
Trade TermsEXW, FOB, DAP, DDP
Payment MethodsPayPal, credit card, T/T, third-party payment, Alibaba, Alipay, Western Union
CommunicationEmail, WeChat, WhatsApp, video meeting, voice call
Factory VisitSupported

Cost Factors for Custom TPU Waterproof Bags

The cost of a custom TPU waterproof bag depends on material grade, bag size, welding structure, hardware selection, branding method, packaging level, and order quantity. Lovrix helps brands balance waterproof performance, retail positioning, durability, and production cost before sampling begins.

TPU Material Thickness

TPU material thickness is one of the first cost drivers. A small phone pouch may use thinner transparent TPU, while a marine duffel or motorcycle waterproof bag may need heavier TPU laminated fabric for better tear resistance and load-bearing performance. Thicker material usually improves durability but also increases material cost, cutting difficulty, welding pressure, and shipping weight.
  • Common lightweight TPU range: 0.20–0.35 mm
  • Medium-duty TPU range: 0.40–0.55 mm
  • Heavy-duty TPU range: 0.60–0.90 mm or higher
  • Larger bags may increase material consumption by 20%–45% compared with compact pouches
  • Matte, transparent, colored, or custom-coated surfaces may affect MOQ and material lead time
Lovrix reviews product use before recommending TPU thickness, avoiding overbuilt material for simple travel pouches or underbuilt material for heavy outdoor bags.

Welding and Seam Structure

Waterproof bag cost changes significantly according to welding method and seam complexity. Simple straight-panel dry bags are more efficient to produce, while waterproof backpacks, duffels, phone pouches, kayak bags, and motorcycle bags often need curved welding, reinforced corners, zipper sealing, air-tight areas, or hybrid sewing and welding.
  • Straight seam welding is usually the most efficient structure
  • Curved seams and corner welding increase process time
  • Waterproof zipper areas require more alignment control
  • Reinforced bottom panels may add 1–3 extra production steps
  • Complex welded bags may take 15%–35% more production time than simple roll-top dry bags
Lovrix evaluates seam width, folding direction, stress points, and closure type during sampling, helping reduce leakage risk and avoid unnecessary production waste.

Size, Capacity, and Panel Layout

Bag size directly affects material usage, production time, packing volume, and freight cost. A 5L dry bag, 20L backpack, and 80L waterproof duffel use very different panel layouts, webbing lengths, carton space, and reinforcement structures. Larger bags also need stronger handles, better stress-point design, and more careful inspection.
  • Common dry bag sizes: 2L, 5L, 10L, 20L, 30L
  • Waterproof backpacks usually range from 15L–40L
  • Waterproof duffels commonly range from 40L–80L
  • Large-capacity products may use 2–4 times more TPU fabric than small pouches
  • Bigger bags increase carton size and sea freight volume
Lovrix can optimize cutting layout and folding structure to reduce material waste while keeping size accuracy, capacity, and product appearance stable.

Hardware, Webbing, and Carrying System

Hardware and webbing strongly influence both cost and user experience. A simple dry bag may only need one buckle and basic webbing, while a waterproof backpack or marine duffel may need padded straps, D-rings, side handles, sternum straps, zipper pulls, reflective trims, and load-bearing reinforcement.
  • Basic buckle and webbing system: lower-cost dry bag structure
  • Waterproof zipper: higher cost than basic roll-top closure
  • Padded shoulder straps add foam, mesh, sewing, and assembly time
  • Metal D-rings or heavy-duty plastic hooks increase unit cost
  • Reflective webbing or custom jacquard webbing may require higher MOQ
Lovrix owns webbing development resources, allowing better control over strap width, color, texture, strength, and branding details for outdoor, marine, motorcycle, and travel bag programs.

Logo, Printing, and Brand Details

Branding cost depends on logo size, color count, surface position, production method, and durability requirement. A simple one-color screen print is cost-efficient for dry bags, while rubber patches, woven labels, heat transfer logos, embossed panels, or full-pattern printing create a stronger brand image but add setup cost and production time.
  • Screen printing is cost-efficient for simple logos
  • Heat transfer supports sharper multi-color artwork
  • Rubber patches often require mold or setup cost
  • Woven labels suit premium retail and product series marking
  • Full-panel printing may increase sampling checks and color control work
  • Small logo changes across multiple SKUs may increase artwork management time
Lovrix helps match the branding method to TPU surface type, order quantity, target retail price, and expected outdoor durability.

Packaging, Quantity, and Shipment Method

Packaging and shipment can change total landed cost more than many brands expect. Bulk poly bag packing is economical, while retail packaging, color boxes, insert cards, barcodes, Amazon labels, carton marks, and DDP delivery add more handling and preparation work. Order quantity also affects unit cost because setup, sampling, printing, and production preparation are shared across more pieces.
  • Lovrix flexible MOQ: 300–500 pcs
  • Regular sample time: 5–7 days
  • Complex sample time: 7–15 days
  • Bulk production time: 25–30 days
  • Express shipment fits samples and urgent small orders
  • Sea freight is usually more suitable for large-volume waterproof bags
  • Retail packaging may add 5%–15% to product preparation cost depending on structure
Lovrix supports EXW, FOB, DAP, and DDP trade terms, helping brands choose a shipment route based on deadline, budget, carton volume, and destination market.

Why Lovrix Fits TPU Waterproof Bag Projects

Lovrix is a material-driven OEM and ODM manufacturer with bag manufacturing experience, material resources, design support, sample making, printing, webbing, and production capability.

18+ Years Experience

Lovrix has been active in bag manufacturing and material-based product development since 2007. Long-term experience helps our team understand material selection, structure engineering, logo processes, packing requirements, production risk, and export shipment.

Fabric Resources

Lovrix works with polyester, nylon, canvas, cotton, functional fabrics, coated fabrics, TPU, PVC, PU, EVA, neoprene, leather, and synthetic leather. Material resources help waterproof bag programs move beyond basic catalog options.

Webbing Resources

Webbing is essential for waterproof backpacks, duffels, dry bags, motorcycle bags, and marine storage bags. Lovrix can support nylon webbing, polyester webbing, reflective webbing, printed webbing, jacquard webbing, and padded strap systems.

Design Team

Lovrix has 15+ professional designers covering product, packaging, and graphic design. Design support can improve appearance, structure, color, logo placement, packaging, and product line consistency.

R&D Team

Lovrix has 25+ R&D members covering material, webbing, bag structure, and printing processes. R&D support helps solve product development problems before mass production begins.

Production Control

Lovrix supports sample development, production coordination, quality inspection, packing, and shipment. Every order receives 100% pre-shipment inspection to reduce quality risk before delivery.

Lovrix Compared with Ordinary Bag Suppliers

TPU waterproof bag projects require more than basic sewing. Material knowledge, welding, webbing, printing, packaging, and quality control all influence final performance.

CapabilityOrdinary SupplierLovrix
TPU Material KnowledgeOften limitedMaterial-driven development
Fabric OptionsBasic catalog fabricsTPU, PVC, EVA, neoprene, nylon, polyester, canvas, leather
Webbing SupportOutsourcedWebbing development resources
Printing SupportLimitedPrinting factory and branding options
Design SupportSimple artwork adjustment15+ product, packaging, and graphic designers
R&D SupportBasic sample copying25+ R&D members
SamplingSlow or unclear5–7 days regular samples
Production TimeVaries widely25–30 days standard bulk production
QCSpot check only100% pre-shipment inspection
Trade TermsOften limitedEXW, FOB, DAP, DDP

TPU Waterproof Bag Project Examples

Lovrix supports TPU waterproof bag development for outdoor, marine, travel, fishing, motorcycle, and industrial protection programs. Each project below shows how material selection, structure engineering, logo application, testing, and production planning work together before bulk manufacturing.

U.S. Outdoor Brand Dry Bag Series

A U.S. outdoor gear brand planned a TPU dry bag series for kayaking, weekend camping, paddleboarding, and wet-weather trail storage. Their previous PVC dry bag sample felt heavy, became stiff in cold conditions, and had weak folding performance after repeated use. The brand needed a lighter material, cleaner surface, stronger roll-top closure, and consistent color across several SKU sizes. Lovrix reviewed the original sample, adjusted the structure, and recommended TPU laminated fabric with RF welded side seams, reinforced bottom panels, side-release buckles, and widened webbing for better hand carry. The design team also helped refine logo placement so the brand mark stayed visible after the roll-top opening was folded. Project data:
  • Region: United States
  • Application: Kayaking, camping, paddleboarding
  • Product range: 5L, 10L, 20L, 30L dry bags
  • Sample time: 7 days for first approved structure
  • MOQ: 500 pcs per color direction
  • Production time: 28 days after sample approval
  • Inspection: 100% pre-shipment appearance and seam check
  • Result: Weight reduced by around 18% compared with the original PVC reference sample, and the brand expanded the line into a four-size retail set for outdoor stores and online sales.

European Travel Brand Waterproof Sling Bag

A European travel accessories brand wanted a compact TPU waterproof sling bag for beach travel, city rain commuting, music festivals, resort shops, and light outdoor use. Their main problem was market positioning: ordinary waterproof waist bags looked too promotional, while premium waterproof bags were often too expensive or too technical for lifestyle retail shelves. Lovrix helped the brand redesign the structure into a soft TPU-coated sling bag with waterproof zipper, adjustable crossbody strap, inner mesh pocket, heat transfer logo, and matte surface finish. The packaging team created a hang tag, insert card, and barcode label so the product could be used for both retail display and e-commerce fulfillment. The project used Lovrix’s material, bag manufacturing, webbing, and printing resources together, reducing outside coordination work. Project data:
  • Region: Germany and France
  • Application: Beach travel, festivals, rainy commuting
  • Product size: 1.8L compact sling structure
  • Material: Matte TPU-coated polyester fabric
  • First sample: 6 days
  • Trial order: 800 pcs across 2 colors
  • Bulk lead time: 26 days
  • Branding: Heat transfer logo + woven side label
  • Result: The client launched the bag as a seasonal travel accessory, with 2 colors in the first shipment and 3 additional colors prepared for reorder planning after retail feedback.

Australian Marine Gear Waterproof Duffel Program

An Australian marine gear distributor needed a larger waterproof duffel series for boating, fishing, coastal travel, and water rescue equipment storage. Their old supplier could produce basic dry bags, but the duffel structure had repeated problems: handle tearing, unstable D-ring placement, weak shoulder strap connection, and inconsistent seam sealing near the curved side panels. Lovrix rebuilt the product around heavy-duty TPU fabric, wider reinforced webbing, welded main panels, stronger handle anchoring, and a removable padded shoulder strap. The R&D team adjusted the side panel curve to improve welding consistency, while the QC team added seam inspection and strap pull checks before packing. Carton marks, master carton sizes, and packing lists were prepared for sea shipment under FOB terms. Project data:
  • Region: Australia
  • Application: Boating, fishing, marine storage, rescue gear
  • Product range: 40L, 60L, 80L waterproof duffels
  • Material: Heavy-duty TPU laminated fabric
  • Sample adjustment: 2 rounds within 14 days
  • Order quantity: 1,200 pcs mixed sizes
  • Bulk production: 30 days
  • Shipment method: Sea freight
  • Result: Handle reinforcement solved the tearing issue found in the old version, while the three-size series gave the distributor a stronger marine gear product line for wholesale channels and specialty outdoor retailers.

Packaging and Retail Support for TPU Waterproof Bags

Lovrix supports export packing, retail packaging, marketplace preparation, and brand presentation for TPU waterproof bag programs.

Poly Bag

Poly bags are suitable for bulk orders, wholesale distribution, and cost-controlled programs. Lovrix can add warning text, SKU labels, size stickers, barcode labels, and carton packing according to shipment needs.

Hang Tag

Hang tags help explain material, waterproof use, capacity, care instructions, brand story, and selling points. Lovrix can support shape, paper type, printing, string, eyelet, and attachment position.

Insert Card

Insert cards are useful for product instructions, waterproof care notes, folding instructions, brand message, warranty information, QR codes, and campaign storytelling. They are commonly used for phone pouches, dry bags, and gift sets.

Color Box

Color boxes create stronger shelf impact for phone pouches, gift sets, travel accessories, and premium small waterproof bags. Lovrix can support structural box design, artwork layout, printing, and carton packing.

Barcode Label

Barcode labels are important for Amazon, retail stores, distributors, and warehouse management. Lovrix can apply SKU labels, FNSKU labels, carton labels, and product identification stickers.

Master Carton

Master cartons are prepared according to product size, packaging method, shipping route, and destination requirements. Lovrix can support carton marks, gross weight, net weight, carton size, and packing list preparation.

Test and Compliance Support

Lovrix can support material review, waterproof test planning, export documentation, and brand compliance needs according to project requirements and destination market.

Material Test Support

Material reports can be arranged according to project needs. Lovrix can help check material composition, surface finish, color, thickness, strength, and suitability for waterproof bag production.

Waterproof Test Support

Waterproof testing can be planned according to product type. Phone pouches, dry bags, roll-top backpacks, duffels, and splash-resistant pouches need different testing methods and acceptance standards.

Export Documentation

Lovrix supports export shipment documents, packing lists, invoices, carton marks, trade terms, and logistics coordination for express, air, and sea freight.

Brand File Support

Brand programs may require product photos, packing specifications, barcode files, logo placement files, carton data, and inspection records. Lovrix can support project files for internal review and launch preparation.

Smooth Cooperation from Sample to Delivery

Lovrix supports clear communication, flexible payment, export shipment, and factory visit arrangements for overseas waterproof bag programs.

Shipping Options

Lovrix supports express, air, and sea shipment. Shipment method can be selected according to order quantity, delivery deadline, product volume, carton size, and destination country.

Trade Terms

Lovrix can work under EXW, FOB, DAP, and DDP trade terms. DDP can help overseas brands reduce import handling pressure when suitable for shipment route and destination market.

Payment Options

Payment methods include PayPal, credit card, T/T, third-party payment, Alibaba, Alipay, and Western Union. Payment structure can be confirmed according to order type and project stage.

Communication Support

Lovrix communicates through email, WeChat, WhatsApp, video meeting, and voice call. English-speaking sales members support product discussion, quotation, sample follow-up, production updates, and shipment coordination.

FAQ About TPU Waterproof Bag Manufacturing

Lovrix supports flexible MOQ from 300–500 pcs for custom TPU waterproof bags. MOQ depends on material, color, logo process, hardware, packaging, and product structure.
Regular samples usually take 5–7 days. Bags involving special accessories, complex structure, molded parts, special welding, or unusual material may need 7–15 days.
Yes. Lovrix can work from drawings, tech packs, sketches, photos, reference samples, or early product concepts. Our team reviews size, capacity, closure, material, welding, logo, and packing before sampling.
Lovrix can help evaluate IPX targets based on product structure. Final performance depends on material, seam sealing, zipper or closure design, testing method, and agreed acceptance criteria.
TPU usually offers softer handfeel, better flexibility, stronger cold resistance, and a more premium product image. PVC often offers lower cost and heavier structure. Lovrix can recommend suitable material according to product use.
Yes. TPU thickness, surface finish, base fabric, color, transparency, and lamination direction can be reviewed according to quantity, material availability, product function, and branding requirement.
Yes. Lovrix manufactures TPU dry bags, waterproof backpacks, waterproof duffels, waterproof totes, phone pouches, waist bags, sling bags, motorcycle bags, fishing bags, cooler bags, and industrial waterproof storage bags.
Yes. Logo options include screen printing, heat transfer, digital printing, rubber patch, woven label, embossing, and debossing. Packaging options include poly bag, hang tag, insert card, color box, barcode label, and master carton.
Lovrix can support test planning such as spray test, seam check, air inflation test, immersion test, zipper function check, and leakage review according to product type and waterproof target.
Yes. Lovrix supports EXW, FOB, DAP, and DDP trade terms. DDP feasibility depends on product type, destination country, shipment volume, and current logistics route.
Yes. Factory visit is supported. Video meeting and remote product review are also available for teams unable to visit in person.
Please send product type, size, target capacity, quantity, material preference, logo artwork, packaging requirement, waterproof target, target market, and reference photos or drawings if available.

Start Your TPU Waterproof Bag Project with Lovrix

Lovrix helps brands develop custom TPU waterproof bags from material selection to sample making, logo branding, quality inspection, packing, and international shipment. Share your product idea, target use, quantity, and artwork files. Our team will review material, structure, MOQ, sample time, production timeline, and cost direction.

Please Send:
  • Product type
  • Size or capacity
  • Target quantity
  • TPU, PVC, or material preference
  • Waterproof rating target
  • Logo artwork
  • Packaging requirement
  • Target market
  • Expected delivery time
  • Reference photos, drawings, or samples

Contact Us

Send us a message if you have any questions or request a quote. We will be back to you ASAP!