Custom Waterproof Bag Manufacturer | OEM/ODM Dry Bag & Waterproof Backpack Supplier
A custom waterproof bag is a sealed, roll-top or taped-closure carrier — a waterproof dry bag, a roll-top waterproof backpack, a waterproof duffel or a stuff-sack pouch — built to a brand’s colors, capacity, closure and logo for boating, diving, kayaking, travel and everyday outdoor gear. At JUNYUAN we manufacture custom water-resistant bags, dry bags and waterproof backpacks (OEM/ODM) from our affiliated production base in Quanzhou, China — trading entity founded in 2014, founder in the bag industry since 2004 — with a standard MOQ of 500 pcs, pre-production samples in 6–10 days and bulk production in 35–50 days under AQL 2.5. As a waterproof bag manufacturer we control coated fabric, sealed seams, roll-top closures, welded zippers and hardware under one accountable exporter, so a private-label water sports and travel program moves from sample to bulk to your warehouse to spec.
Dry Bag vs Waterproof Backpack vs Waterproof Duffel vs Waterproof Pouch: Choosing Your Sealed Carry
Buyers searching for a custom waterproof bag manufacturer or a waterproof bag factory usually need a sealed carrier matched to how their gear gets wet — a roll-top dry sack for submersion, a hands-free waterproof backpack, a heavy-load waterfront duffel or a small waterproof stuff sack. The choice shapes the fabric, closure, capacity and taped detailing:
| Type | Best for | Key construction |
|---|---|---|
| Roll-top dry bag | kayaking, boating, submersion protection | coated waterproof fabric, roll-top 3-fold seal, welded base, body strap loop |
| Waterproof backpack | commuting, hiking travel in rain | roll-top or dry-zipper closure, padded back, harness straps, taped seams |
| Waterproof duffel | waterfront load-outs, dive & swim gear | large roll-top volume, welded base, carry handles, removable shoulder strap |
| Waterproof pouch / stuff sack | phone, keys, passport, small essentials | roll-top or dry-zipper mini pouch, transparent window option, clip loop |
For a hands-free everyday waterproof carry, see our custom backpack and custom shoulder bag pages, and for travel companions compare custom travel bags and custom weekender bags.
Custom Waterproof Bag Product Line
Our order book spans private-label waterproof bags, dry bags and waterproof backpacks for water sports, travel, outdoor and lifestyle brands across North America, Europe and the Middle East:
Roll-top dry bag
Coated roll-top dry sacks from 5L to 50L with a welded base and 3-fold seal — the go-to for kayaking, boating and submersion protection.
Waterproof backpack
Roll-top or dry-zipper waterproof backpacks with padded back panels and harness straps for rainy commutes and travel.
Waterproof duffel
Large-volume waterfront duffels with roll-top openings, welded bases and carry handles for dive and swim gear load-outs.
Waterproof pouch / stuff sack
Mini roll-top and dry-zipper stuff sacks and transparent pouches for phones, passports and small essentials.
Each silhouette is configurable in capacity, closure type, colorway, lining, taped detailing and branding. If your outdoor range also carries a matching tote or cooler, see our custom tote bag page for the family.
Materials & Construction for Waterproof Bags
Fabric and seam technology drive the real water-resistance of a custom waterproof bag:
- Coated waterproof fabrics — TPU-, PVC- or PU-coated nylon and polyester base fabrics with a high print surface for dry sacks, backpacks and duffels.
- Sealed seams & welding — taped or high-frequency (HF) welded seams that stop water ingress at the construction points, critical for submersible models.
- Roll-top & dry-zipper closures — triple-fold roll-top seals or water-resistant dry zippers that keep contents dry under submersion.
- Hardware & trim — buckles, cord locks, side-release clips and webbing handles matched to the load and closure system.
Capacity, closure type, seam method and colorway are set on the pre-production sample so bulk pieces match. For structured travel carriers compare our custom duffel bag and custom weekender bag pages.
Customisation: Capacity, Closures & Branding
A custom waterproof bag carries your brand through rain, surf and travel, so function and logo matter:
- Capacity & sizing — from 5L stuff sacks to 50L+ roll-top duffels, matched to your line plan and gear loads.
- Closure systems — roll-top 3-fold seals, dry zippers, taped zippers or combination openings tuned to submersion versus convenience.
- Logo methods — heat-transfer film print, reflective print, screen print, embroidery and woven labels on fabric or webbing, Pantone-approved on the sample.
- Packaging — branded polybags, hang tags and custom cartons for retail-ready programs.
For how to structure your bag supplier relationship, read our bag manufacturer vs supplier guide, and for adjacent waterproof and everyday categories see custom messenger bags and custom crossbody bags.
How a Custom Waterproof Bag Program Is Made
- Spec & artwork — share the silhouette, capacity, closure type, coated fabric, colorway and logo files.
- Engineering & costing — our team returns a landed-cost quote across the program, including seam and closure options.
- Sample — produced and shipped in 6–10 business days for your approval, covering capacity, closure and water-protection test.
- Bulk production — typically 35–50 days per style after sign-off, by quantity and finish.
- QC & export — AQL 2.5 inspection, then export packing and documentation.
MOQ, Lead Time & Pricing
| Parameter | Custom Waterproof Bag | Notes |
|---|---|---|
| Minimum order | 500 pcs / style | Standard across the line; lower trials can be discussed for start-up brands |
| Sampling | 6–10 business days | After artwork and spec approval, as a pre-production sample |
| Bulk lead time | 35–50 days | After sample sign-off, by quantity, material and finish |
| Branding | Heat transfer, screen print, embroidery, woven label, reflective | Pantone-approved on the sample |
| QC | AQL 2.5 | Pre-shipment inspection at the SGS-verified affiliated plant |
Pricing moves with coated fabric, capacity, closure, seam method, quantity and silhouette. Send your spec and target price to [email protected] and we return a quotation, typically within one business day. Related travel carriers include custom travel bags and custom backpacks for an adjacent everyday capsule.
Email your silhouettes, capacities, materials and target price to [email protected] or call/WhatsApp +86 17750020688.
