Waterproof Backpack Manufacturer — OEM/ODM Waterproof Bags & Dry Bags

JUNYUAN Bags is an OEM/ODM waterproof backpack manufacturer in Quanzhou, China, with an affiliated factory of 4,950 sqm running 7 production lines and 137 staff, producing IPX4 to IPX8 rated waterproof backpacks, dry bags and cooler bags for 200+ brands across 100+ countries since 2014 (founder in the trade since 2004, 20+ years industry experience). We are a BSCI and ISO 9001:2015-certified supplier with an SGS-audited factory, standard MOQ 500 pcs, and sample lead time of 6-10 days.

Every bag is built with heat-welded seams (no needle holes), YKK Aquaguard waterproof zippers and TPU, PVC or ripstop-nylon fabrics tested to the IEC 60529 IPX standard. Our range spans roll-top dry bags, waterproof cooler backpacks, waterproof duffel bags, waterproof hiking backpacks, smartphone-access and business waterproof backpacks — all available as OEM/ODM with custom Pantone color, logo (heat transfer, embroidery, TPU patch) and retail packaging.

Quality is verified through a 100% seam leak-test on waterproof lines and an IQC-PQC-FQC-OQC system to AQL 2.5; material and safety reports (CPSIA, food-contact lining) are issued on request. OEM terms: MOQ 500 pcs | Sample 6-10 days | Production 35-50 days | 30% T/T deposit | FOB Xiamen.

Waterproof Backpack Manufacturer FAQ

What waterproof rating do JUNYUAN waterproof backpacks have?
The line spans IPX4 to IPX8 ratings per the IEC 60529 standard: IPX4–IPX5 for everyday rain and splash, IPX6 for jets, heavy rain and waves, and IPX7/IPX8 for immersion. Each model is built with heat-welded seams rather than stitched seams, so the seal has no needle holes.
Can I order waterproof backpacks with my own brand logo?
Yes — JUNYUAN is an OEM/ODM waterproof backpack manufacturer offering screen printing, heat transfer, embroidery, rubber/TPU patches and woven labels, plus custom Pantone colors, materials (TPU, PVC, nylon), sizes and retail packaging.
What is the MOQ and lead time for custom waterproof bags?
MOQ is 500 pieces per design. Pre-production samples take 6-10 days and mass production 35-50 days. Terms are FOB Xiamen with 30% T/T deposit; we ship globally including direct-to-Amazon FBA.
How are waterproof seams and quality tested?
Waterproof lines use high-frequency welding, hot-air seam sealing or ultrasonic welding and undergo a 100% seam leak check on the production line. Our SGS-audited Quanzhou factory runs IQC–PQC–FQC–OQC to AQL 2.5.
Which types of waterproof bags can JUNYUAN manufacture?
Roll-top dry bags and floating backpacks, waterproof cooler backpacks and soft coolers, waterproof duffel bags, waterproof hiking and fishing packs, and business/commuter waterproof backpacks — all customizable.
Are factory audits and test reports available?
Yes. Our affiliated Quanzhou factory is SGS-audited with 20+ years of bag-making experience, 7 production lines and 149 machines (monthly capacity up to 200,000 bags). Material and product test reports are provided on request.

Explore our roll-top waterproof backpack buying guide for a model-by-model comparison.

Waterproof Backpack OEM/ODM Buying Guide

Choosing the right waterproof backpack partner comes down to three decisions: waterproof rating, material, and manufacturing workflow. Here is how JUNYUAN Bags helps brands get it right.

1. Which IP rating do you actually need?

Waterproof claims should be anchored to IEC 60529 (IP codes), the international standard for ingress protection. JUNYUAN independently tests every batch and reports verified IP ratings:

RatingWater resistanceBest for
IPX4Splash-proofUrban commutes & light rain
IPX5Water-jet resistantTrekking & humid climates
IPX6Powerful water-jetsHeavy rain hiking
IPX7Temporary immersion (1m/30min)Kayaking, rafting, boating
IPX8Continuous immersionDiving & extreme water sports

Most outdoor and camping brands land on IPX7 for the best price-to-performance. JUNYUAN produces IPX4–IPX8 across 7 production lines and 149 machines, with output verified against IEC 60529.

2. Waterproof material comparison

MaterialDurabilityWeightBest for
TPUHighLightPremium roll-top & dry bags
PVCHighHeavierIndustrial & heavy-duty use
RPET (recycled)Medium-HighLightEco-conscious brand lines
Nylon PU-coatedMediumVery lightBudget-friendly outdoors

JUNYUAN sources verified TPU, PVC, and recycled RPET, and can recommend the right compound for your target price point and end use.

3. Our OEM/ODM workflow

  1. Brief & spec sheet — share target IP rating, capacity, materials, and branding.
  2. Sample within 6–10 days for your fit & quality sign-off.
  3. Production over 35–50 days with AQL 2.5 inspection and in-line checks.
  4. Independent testing against IEC 60529 before shipping, FOB Xiamen.
  5. Global delivery — 200,000 units monthly capacity to 100+ countries.

Send your spec to [email protected] or WhatsApp +86 177 5002 0688 to start a project.

Further reading: Waterproof Backpack OEM/ODM Guide · Waterproof Fabrics Compared · Zippers, Seams & Coatings · Dry Bag Manufacturing Guide