Dry Bags Wholesale: Sourcing Waterproof Roll-Top Bags from China
Published: August 23, 2026 | 8 min read
Dry bags are the standard carry for water sports and wet-weather outdoor — a roll-top dry sack costs $1-5 FOB and retails $10-35, with welded backpacks and tech-friendly versions higher. For wholesalers they are a durable, season-proof line with steady demand from outdoor and watersports retailers. This guide covers types, materials, MOQ, pricing, and QC.
The Dry Bag Map
| Type | FOB Cost | Retail | Use |
|---|---|---|---|
| Roll-top dry sack (5-20L) | $1-4 | $10-28 | Kayak, hike |
| Waterproof dry backpack | $3-8 | $25-55 | Commute, travel |
| Boat / kayak bag | $2-6 | $18-45 | Watersports |
| Phone / tech dry pouch | $0.80-3 | $8-22 | Beach, paddle |
For sealed cases, see waterproof bags and cooler bags.
Materials & Construction
- TPU-laminated nylon: the welded waterproof tier.
- PVC tarpaulin: heavy-duty, budget welded.
- 210D/420D ripstop: lightweight dry sacks.
- Welded seams: no stitch, radio-frequency sealed.
MOQ and Pricing
- Dry sacks: 300-1000 pieces.
- Welded backpacks: 500+ (RF weld tooling).
- Custom: printed panel + logo from 300.
Margin check in the calculator; corporate gifting covers bulk merch.
Quality Control
- Waterproof: submersion test, no leak.
- Roll-top: closure seals, no gap.
- Weld: no pinhole at seam.
- Hardware: buckles rated, no brittle.
Inspect at AQL 2.5.
Where to Sell & First Order
- Outdoor retailers, watersports shops, kayak/canoe clubs, travel stores: see corporate gifting.
- First order: sample 10L sack + backpack + phone pouch, 300-500, 4-5 weeks.
Mixed-SKU from 300 | TPU & PVC | Welded seams
Frequently Asked Questions
What is the MOQ for wholesale dry bags?
Dry sacks start at 300-1000 pieces; welded waterproof backpacks run 500+ for RF-weld tooling.
How much do dry bags cost wholesale?
$0.80-8 FOB; retail $8-55 depending on size and welding.
Are dry bags actually submersible?
Yes — RF-welded TPU and PVC dry bags are submersible to a rated depth; always submersion-test a sample.
Can dry bags be customized?
Yes — printed panels and a logo from 300 pieces; see custom bags.
What is the common quality failure?
Pinholes at welded seams and leaky roll-tops; specify RF welding and test submersion at AQL 2.5.
Buyer's decision brief: Dry bags wholesale
Whenever you evaluate Dry bags wholesale, the decision ultimately rests on four measurable things: unit landed cost, minimum order, lead time, and how consistently the factory can repeat the order. Buyers who optimise only for the first of these tend to lose money on the other three. Getting all four in writing before a deposit — including the inspection standard — removes most of the risk in a first order.
The most reliable way to de-risk Dry bags wholesale is to test before committing. Order samples from two suppliers, compare them on stitch density, edge finishing, hardware plating and lining accuracy, and run a small first order before scaling. The factories that welcome this process are almost always the ones worth building a range with.
What buyers actually need from Dry bags wholesale
Buyers in this category are usually outfitting travellers, tour operators, airlines or outdoor retailers, so the product is judged on how it behaves when fully loaded and roughly handled.
| Category specification | Typical range |
|---|---|
| Capacity | 20–40 L for cabin · 40–70 L for checked |
| Fabric | 600D/900D polyester · nylon · RPET · TPU laminate |
| Hardware | Branded zips · trolley sleeve · compression straps |
| MOQ | Custom 100 pcs · ready stock from 1 pc |
Specification points that decide quality
- Load-bearing points: handles, shoulder strap roots and trolley sleeves must be bar-tacked, not just stitched.
- Abrasion resistance on the base panel — this is where travel bags fail first.
- Water resistance: coated fabric or a TPU laminate for anything sold as a dry or outdoor bag.
- Zip specification matters more here than anywhere else; unbranded zips are the top failure cause.
Two checks before you approve bulk
- Fill the bag to rated capacity and carry it — check strap comfort and shape retention.
- Cycle every zip 30–50 times under light tension before approving bulk.
Key parameters at a glance
| Factor | What to ask the supplier |
|---|---|
| MOQ | Custom 100 pcs per style/colour · Ready stock from 1 pc |
| Sampling | 7–12 days · sample fee USD 30–120, usually refundable against bulk |
| Bulk production | 25–35 days custom · 3–5 days dispatch for ready stock |
| Quality standard | AQL 2.5 major / 4.0 minor · AQL 1.5 for first orders |
| Freight | Sea 18–38 days · air 5–8 days · courier 4–6 days |
| Terms | T/T 30% deposit, balance before shipment · L/C at sight for larger orders |
| Documentation | REACH / Prop 65 testing · audit reports · GRS certificates where claimed |
Mistakes buyers make with Dry bags wholesale
- Choosing on unit price alone without confirming inspection standard and lead time.
- Skipping physical samples and relying on photos.
- Not clarifying packaging, barcodes and labelling requirements early.
- Placing a first order at maximum volume instead of testing.
Why source this from Jinman
Yiwu Jinman Bags runs both sides of the catalogue: ready stock that ships from one piece for buyers testing a market, and full OEM/ODM development from 100 pieces per style and colour. Sampling takes 7–12 days, bulk production 25–35 days, and every order ships against a written spec sheet with AQL 2.5 inspection as standard — 1.5 for first orders. Freight is available EXW, FOB, CIF or DDP door-to-door to the US and EU, with HS codes, REACH and Prop 65 documentation provided for your market.