Custom Dry Bag Manufacturer — Waterproof Dry Sacks & Roll-Top Bags, MOQ 500

Custom Dry Bag Manufacturer — Waterproof Dry Sacks & Roll-Top Bags, MOQ 500

Your trusted dry bag factory since 2014. We produce custom-branded waterproof dry bags, roll-top dry sacks, floating bags, and submersible dry bags for outdoor brands, water sports companies, and e-commerce sellers — with full private label and OEM/ODM service.

20+
Years Founder Experience (Since 2004)
500 pcs
MOQ per Style
6–10 Days
Sample Lead Time
35–50 Days
Mass Production

Looking for a reliable dry bag manufacturer? Junyuan Bags has been designing and manufacturing custom waterproof dry bags since 2014, with our founder bringing over 20 years of bag industry expertise since 2004. We supply private-label dry bags to outdoor brands, water sports retailers, and e-commerce sellers across North America, Europe, and Oceania — delivering 350,000+ dry bags annually with AQL 2.5 quality assurance.

Why 200+ brands choose us as their dry bag supplier:

  • ✓ Full customization — sizes (5L to 40L+), colors, fabric, closure type, logo, packaging
  • ✓ Complete range — roll-top dry sacks, submersible bags, floating dry bags, waterproof backpacks, dry bag duffels
  • ✓ Waterproof expertise — TPU-laminated fabrics, welded seam construction, roll-top closures, IPX7-rated waterproofing
  • ✓ AQL 2.5 inspection — every batch tested for seam integrity, closure function, buoyancy, and waterproof performance
  • ✓ Factory-direct pricing — no trading company markup
Custom dry bag manufacturer - collection of waterproof roll-top dry sacks in various sizes and colors for kayaking, boating, and outdoor use

Custom waterproof dry bags — roll-top dry sacks in 5L, 10L, 20L, 30L, and 40L sizes in your brand colors

What Is a Dry Bag and Who Needs One?

A dry bag (also called a waterproof dry sack, roll-top dry bag, floating dry bag, or submersible bag) is a purpose-built waterproof container designed to keep contents completely dry in wet environments. Unlike standard waterproof backpacks, dry bags feature roll-top closure systems with buckle seals, welded or taped seam construction, buoyant materials that float when sealed, and durable fabrics rated for submersion. This specialized design makes dry bags essential for kayakers, canoeists, rafters, anglers, sailors, hikers, beachgoers, and outdoor brands.

The global dry bag market has grown rapidly alongside increased participation in paddle sports, water-based adventure tourism, and outdoor recreation. TPU-laminated fabrics, heat-welded seam construction, and multi-liter size systems are the dominant trends. Brands that offer custom branded dry bags with private labeling can capture margins of 3–5× above commodity pricing, especially in the outdoor specialty, e-commerce, and water sports segments.

Our Custom Dry Bag Capabilities

FeatureOptions
StylesRoll-top dry sacks, submersible dry bags, floating dry bags, dry bag duffels, waterproof backpacks, dry bag sets (multi-size), phone dry pouches, barrel-style dry bags
Size range2L (phone pouch) to 40L+ (expedition barrel) — custom dimensions available
Fabric options500D PVC tarpaulin, 420D ripstop nylon with TPU coating, 210D HT nylon with PU laminates, TPU-laminated polyester (food-grade available), recycled RPET with waterproof lining
Closure systemsRoll-top with buckle seal (1–5 rolls), buckle-and-clip closure, zipper with storm flap, drawstring with cord lock, Velcro roll-seal
WaterproofingHeat-welded seams, RF-welded construction, taped seam sealing, IPX6–IPX7 rated submersion protection, floating buoyancy design
Safety featuresHigh-visibility color options, reflective strips, D-rings for tethering, whistle buckles, grab handles, transparent window panels
BrandingSilkscreen, heat transfer, embroidered logo, woven labels, debossed rubber patches, custom zipper pulls, PVC logo tabs
PackagingCustom poly bag, branded box, hangtag, retail-ready packaging, Amazon FBA prep, multi-size set packaging
Waterproof dry bag close-up showing roll-top closure mechanism, heat-welded TPU seams, waterproof buckle seal, and durable fabric construction

Premium dry bag — roll-top buckle closure, heat-welded seams, and IPX7-rated waterproof construction

Roll-Top Dry Sack vs. Submersible Bag vs. Floating Dry Bag vs. Dry Bag Duffel

Different water environments require different dry bag solutions. Here is how our four main dry bag types compare:

FeatureRoll-Top Dry Sack (5–40L)Submersible Bag (10–30L)Floating Dry Bag (5–20L)Dry Bag Duffel (30–80L)
Primary useKayaking, canoeing, general waterproof storageScuba gear, diving equipment, full submersionRafting, paddleboarding, water float tripsExpedition gear, boat storage, extended trips
ClosureRoll-top with side-release buckleRoll-top + secondary waterproof zipperRoll-top with buoyant air chamberRoll-top or zipper + storm flap
Fabric500D PVC tarpaulin840D TPU-laminated nylon420D ripstop with TPU coating600D PVC or TPU tarpaulin
Waterproof ratingIPX6 (splash/rain)IPX7 (submersible 1m/30min)IPX6 (floats on surface)IPX6 (heavy rain protection)
Floats?Yes when sealed with airDesigned for submersionYes — built-in buoyancyVaries by size
Weight150–400g350–800g100–250g500–1200g
Best forDay paddlers, campers, festival-goersDivers, snorkelers, underwater photographersRafting guides, SUP riders, beachgoersExpedition paddlers, boat captains, guides
Price point (FOB)$4–$12$8–$18$3–$9$12–$28
Market demandHighest volume, broadest appealNiche premium, growing dive marketStrong SUP/rafting growthSteady expedition market

Materials & Construction Quality

Our dry bags are built for water durability — using premium waterproof fabrics, heat-welded construction, and marine-grade hardware:

  • 500D PVC Tarpaulin — heavy-duty, fully waterproof material with excellent abrasion resistance; standard for roll-top dry sacks and barrel-style bags
  • 420D Ripstop Nylon + TPU Coating — lightweight, tear-resistant, with thermoplastic polyurethane coating for flexible waterproofing; ideal for floating dry bags and packable designs
  • 840D TPU-Laminated Nylon — premium, high-tenacity fabric with full TPU membrane lamination; used for submersible bags requiring IPX7 rating
  • 210D HT Nylon + PU Laminate — ultra-lightweight high-tenacity nylon for packable dry sacks and emergency waterproof bags
  • RF/Heat-Welded Seams — radio frequency welded or heat welded seam construction eliminates needle holes, providing 100% waterproof integrity
  • Marine-Grade Buckles — Duraflex or Woojin side-release buckles rated for saltwater exposure, UV resistance, and 30kg+ load
  • YKK Waterproof Zippers — Aquaguard or Vislon waterproof zippers rated for 3,000+ cycles, used on secondary closures and access panels
  • D-Ring Tether Points — stainless steel or reinforced PVC D-rings for attaching dry bags to boats, kayaks, and rafts

Quality Standard: AQL 2.5

Every production batch undergoes AQL 2.5 inspection — the international standard for consumer goods. We check seam weld integrity, closure buckle function, fabric waterproof rating, buoyancy performance, print accuracy, and overall construction quality. Each bag is water-tested on a random sample basis per batch. Defective units are pulled before shipment.

Kayaker on river using custom waterproof dry bag - outdoor water sports adventure showing dry bag keeping gear safe and dry

Custom dry bags in action — keeping gear completely dry during kayaking and water sports adventures

Dry Bag Styles We Produce

Roll-Top Dry Sacks (5–40L)

The classic waterproof storage solution — 500D PVC tarpaulin body, roll-top closure with side-release buckle seal (3–5 rolls for full waterproofing), heat-welded seams, D-ring tether point, grab handle, and available in 5L, 10L, 20L, 30L, and 40L sizes. Popular for kayaking brands, camping gear companies, and outdoor retail chains. Can be sold individually or as multi-size sets.

Submersible Dry Bags (10–30L)

Professional-grade waterproof protection — 840D TPU-laminated nylon body, roll-top plus secondary waterproof YKK Aquaguard zipper, RF-welded seams achieving IPX7 submersion rating (1 meter depth for 30 minutes), reinforced D-rings for boat mounting, and padded carry straps. Popular for diving brands, underwater photography gear companies, and professional marine equipment suppliers.

Floating Dry Bags (5–20L)

Lightweight surface waterproofing — 420D ripstop nylon with TPU coating, roll-top closure with integrated air chamber for buoyancy, heat-welded seams, mesh drainage pocket on exterior, adjustable shoulder strap, and transparent TPU window for phone/touchscreen access. Popular for SUP (stand-up paddleboard) brands, rafting outfitters, and beach/tropical tourism brands.

Dry Bag Duffels (30–80L)

Expedition-capacity waterproof storage — 600D PVC tarpaulin body, oversized roll-top or waterproof zipper with storm flap closure, heat-welded seams, padded shoulder straps with sternum strap, multiple D-ring tie-down points, compression straps, and internal mesh organizer pocket. Popular for expedition outfitters, boat captain supply companies, and extended trip adventure brands.

Phone & Electronics Dry Pouches (0.5–2L)

Small-format waterproof protection — 0.2mm TPU film body with IPX8 rating, triple roll-top or zip-lock closure, transparent TPU front panel for touchscreen access, lanyard cord with breakaway safety clip, and floatable design. Popular for outdoor brands, festival accessories, and promotional gift lines.

How to Order Custom Dry Bags

StepActionTimeline
1. InquirySend us your specifications: size, fabric, color, closure type, quantity, branding requirementsDay 1
2. QuoteWe provide detailed pricing with material options, tooling costs, and lead time1–2 business days
3. SamplePre-production sample with your logo and fabric choices for waterproof testing and approval6–10 business days
4. ProductionFull production run with in-line weld integrity checks and waterproof testing35–50 days depending on quantity
5. InspectionAQL 2.5 final inspection with waterproof test report and photo report before shipment1–2 days
6. ShippingFOB Xiamen / CIF your port, or door-to-door via our logistics partners7–30 days depending on destination
Custom dry bag factory production line showing TPU heat welding, seam sealing, roll-top assembly, and waterproof quality testing

Our dry bag production line — from fabric cutting to heat welding to AQL 2.5 waterproof testing

Private Label & Branding Options

As a dedicated dry bag manufacturer, we offer complete private label services:

  • Logo application — silkscreen printing, heat transfer, embroidered patches, woven labels, debossed rubber tags, PVC logo tabs
  • Custom color matching — Pantone color match for fabric, buckles, straps, and zipper pulls
  • Custom packaging — branded poly bags, retail boxes, sleeve bands, hangtags, multi-size set packaging
  • Size labeling — printed or woven size labels (5L, 10L, 20L, etc.) with your brand info
  • Amazon FBA prep — poly bagging, FNSKU labeling, carton marking per Amazon requirements
Sample OEM specification we commonly produce:
500D PVC tarpaulin roll-top dry sack, 20L capacity, heat-welded seams, roll-top closure with Duraflex side-release buckle, D-ring tether point, grab handle, Pantone color match, silkscreen logo (2 colors), woven brand label, individual poly bag packaging with hangtag, MOQ 500 pieces (assorted sizes available within same order).

Why Junyuan Bags for Your Dry Bag Orders?

Since our founding in 2014 (with our founder’s experience dating back to 2004), we’ve become one of China’s most reliable dry bag manufacturers. Here’s what sets us apart:

  • Factory-direct pricing — no middleman markup; you deal directly with the production facility
  • Low MOQ of 500 pieces — perfect for Amazon sellers testing new SKUs or brands expanding their product line
  • Fast sampling — 6–10 day sample turnaround means you can move from concept to market quickly
  • Full customization — from fabric weight to closure system to packaging design, every detail is yours to specify
  • Proven export experience — 200+ brands in 40+ countries trust us with their dry bag production
  • Quality guarantee — AQL 2.5 inspection on every batch; waterproof-tested; defective rate below 0.5%

Ready to Start Your Custom Dry Bag Order?

Email us at [email protected] or WhatsApp +86 17750020688 with your specifications. We’ll provide a detailed quote within 24 hours.

Get Your Free Quote Now

Frequently Asked Questions About Custom Dry Bags

Q1: What is a custom dry bag?

A custom dry bag is a waterproof storage solution manufactured to your brand’s specifications — including size, fabric, color, closure type, logo placement, and packaging. It is designed to keep contents completely dry in wet environments, with features like roll-top closures, heat-welded seams, and buoyant construction tailored to your target market and water sport discipline.

Q2: What is your MOQ for custom dry bags?

Our standard MOQ is 500 pieces per style. Up to 3 colors can be mixed within one order of the same style. For multi-size dry bag sets, the MOQ applies to the total piece count. We can discuss flexibility on a case-by-case basis for first orders.

Q3: How long does sampling and bulk production take?

Sampling takes 6–10 business days. Once the sample is approved, bulk production takes 35–50 days depending on quantity and complexity.

Q4: Can I get a free sample?

Samples are available at cost and the charge is refunded or offset once your bulk MOQ is confirmed.

Q5: What materials do you use for dry bags?

We use 500D PVC tarpaulin (heavy-duty roll-top dry sacks), 420D ripstop nylon with TPU coating (lightweight floating dry bags), 840D TPU-laminated nylon (submersible bags), and 210D HT nylon with PU laminate (packable emergency dry sacks). All fabrics feature heat-welded or RF-welded seams for complete waterproof integrity.

Q6: Can you make fully submersible dry bags?

Yes. We produce fully submersible dry bags using 840D TPU-laminated fabrics with RF-welded seam construction, roll-top closures with secondary waterproof zippers, and IPX7-rated submersion protection (1 meter depth for 30 minutes). These bags are ideal for diving, snorkeling, and professional marine equipment applications.

Q7: What quality standard do you use on bulk shipments?

Every bulk shipment is inspected to AQL 2.5 before leaving our factory. We check seam weld integrity, closure buckle function, fabric waterproof rating, buoyancy performance, print accuracy, and overall construction quality. Each bag is water-tested on a random sample basis per batch. We can provide a pre-shipment inspection report or work with your third-party inspector.

Q8: Can you fully customize the dry bag design and logo?

Yes. We build custom designs from your drawings or technical specs, match Pantone colors for fabrics, and offer screen print, embroidery, heat transfer, woven labels, and embossed rubber patches for branding. A physical sample is sent for approval before bulk production.

Q9: Do you offer private label packaging?

Yes — we provide custom poly bags, branded boxes, sleeve bands, hangtags, care labels, retail-ready packaging, and multi-size set packaging. Amazon FBA prep including poly bagging, FNSKU labeling, and carton marking is also available.

Q10: Do your dry bags actually float?

Yes — most of our roll-top dry bags and floating dry bags are designed to float when sealed with air inside. The buoyancy depends on the fabric weight and air volume. Our 420D ripstop floating dry bags and standard 500D PVC roll-top sacks both float reliably. We can test buoyancy with your specific size during sampling to ensure it meets your requirements.

Q11: Can you produce dry bag sets (multiple sizes in one package)?

Yes — we specialize in multi-size dry bag sets including 3-piece sets (5L + 10L + 20L), 4-piece sets (5L + 10L + 20L + 30L), and custom combinations. All pieces can be designed with matching colors and branding. Many of our clients sell these as complete dry bag collections for kayaking, camping, and outdoor adventures.

Q12: How do I start a custom dry bag order?

Send your specifications (size, fabric, color, closure type, quantity, branding) to [email protected] or WhatsApp +86 17750020688. We quote within 24–48 hours, produce a sample in 6–10 days, then proceed to bulk production after your approval.