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.