Waterproof Backpacks, Fishing Bags and EVA Totes Built for Wet Work
Aquagrip builds welded-seam waterproof gear for three programmes: roll-top and TIZIP-sealed backpacks, saltwater-rated fishing bags, and injection-molded EVA totes. Every specification on this site is written against a named test method — ISO 811 for hydrostatic head and IEC 60529 for IPX codes — so you can repeat it independently.
MOQ 500 pieces per design and colourway · samples in 6–10 working days · bulk 35–50 days · FOB Xiamen · AQL 2.5 inspection · T/T 30/70.
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Three product programmes
Waterproof Backpacks
Roll-top and TIZIP-sealed packs rated to IPX7 and IPX8, from 20 L day packs to 65 L expedition loads.
Fishing Bags
Saltwater-proof tackle backpacks, sling packs, waist packs and kayak crate bags sized to 3600 and 3700 trays.
EVA Totes
Injection-molded EVA beach totes, perforated designs, charm systems and resort programmes.
How the waterproof claim is tested
A bag is only as waterproof as its weakest seam. Stitched-and-taped construction leaks through the needle holes once the tape ages; radio-frequency welded seams fuse the coating into a single membrane and hold far longer. Closures are rated separately from fabric: a roll-top with three folds and a stiffener bar reaches IPX7 with no zipper at all, while a TIZIP sealed zipper reaches similar ratings with faster access. Ask any programme to state which ISO 811 pressure and which IEC 60529 code the number came from, and whether the figure is for fabric or finished product.
| Programme | Typical closure | Typical rating | Capacity band | MOQ |
|---|---|---|---|---|
| Waterproof backpack | Roll-top / TIZIP | IPX6–IPX8 | 20–65 L | 500 |
| Fishing bag | Roll-top / welded zip | IPX5–IPX7 | 15–45 L plus trays | 500 |
| EVA tote | Open top / moulded | Structural, no rating needed | 18–40 L | 500 |
Frequently asked
What is the best waterproof backpack for hiking in heavy rain?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
Are waterproof backpacks actually worth it?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
What's the difference between waterproof and water-resistant backpacks?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
Can you submerge a waterproof backpack underwater?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
TIZIP sealed zipper vs roll-top closure — which is better for a waterproof backpack?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
What IPX rating should a backpack have for rain and boating?
Match the closure to the exposure: roll-top or TIZIP sealed zippers rated IPX7 or above for sustained rain, welded seams instead of stitched ones, and a hydrostatic head figure quoted with the test method. Full answer.
Recent guides
- Airstrip Valve on a Dry Backpack, Explained
- Airtight Zip vs Water-Resistant Zip on a Pack
- Are Waterproof Backpacks Worth It? Honest Take
- Backpack vs Duffel vs Sling Waterproof Carry
- Backpack vs Sling Waterproof Carry | Aquagrip Waterproof Bags
- Backpack vs Waist Pack for Boating | Aquagrip Waterproof Bags
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