Tired of suppliers delivering subpar waterproof backpacks that leak under pressure? As a trusted waterproof dry bag backpack manufacturer with 30 years of excellence, TIANSHANGXING delivers IPX8-rated, custom designs that protect gear in extreme
Tired of suppliers delivering subpar waterproof backpacks that leak under pressure? As a trusted waterproof dry bag backpack manufacturer with 30 years of excellence, TIANSHANGXING delivers IPX8-rated, custom designs that protect gear in extreme conditions—saving you 30% on costs with fast USA shipping.
As a purchasing manager sourcing for outdoor retail or adventure brands in the USA, you face relentless pressure to deliver ROI. But unreliable suppliers turn that into a nightmare. Here's what you're likely dealing with:
These issues cost USA brands $1.2B annually in returns and logistics (Statista 2025 forecast). Ready to fix this? Discover our factory-direct solutions below.
Explore Solutions NowTIANSHANGXING BAG LEATHER GOODS CO., LTD stands out as the premier waterproof dry bag backpack manufacturer. With a powerful factory in Baigou, China—the global luggage hub—we produce roll-top dry bags that excel in water sports, hiking, and travel. Our 30 years of excellence ensure OEM/ODM perfection, slashing your costs by 30% while delivering in 15-25 days to USA ports.
| Feature | Specification | Benefit |
|---|---|---|
| Material | 420D/500D TPU/PVC Coated Nylon | 100% Waterproof, Tear-Resistant |
| Waterproof Rating | IPX8 (10m/24hrs) | Survives Rapids & Downpours |
| Capacity Options | 10L, 20L, 30L, 40L, 60L | Fits Day Trips to Multi-Day |
| Closure | Roll-Top with Double Seals | Air-Tight, Adjustable |
| Weight | 0.8-2.5kg | Lightweight for Mobility |
| Certifications | ISO 9001, CE, RoHS, CPSIA | USA Import Ready |
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Our custom waterproof dry bag backpack OEM shines in:
Scale up your supply chain risk-free—request specs tailored to your needs.
Download Product BrochureOur 30-year factory, IPX8 tech, and OEM/ODM flexibility beat competitors on price, service, and quality. Fast delivery cuts your shipping costs by 37%.
Yes—full OEM/ODM with free prototypes. Specify capacity, colors, branding. 7-10 day design turnaround.
MOQ 500pcs/model. Wholesale pricing: $8-25/unit (volume discounts). Free samples for qualified buyers.

15-25 day sea to LA/NY; DHL express available. Track via our portal. Duties optimized for Section 321.
1-year warranty, defect replacements within 30 days. Dedicated account manager for tracking.
Fully CPSIA, REACH, CPS-tested. No phthalates or heavy metals—ready for retail giants.
Email sales001@baigouluggage.cn or WhatsApp +86 18031277371. Get quote in 24h.
★★★★★ Mike R., AdventureGear USA
"Best waterproof dry bag backpack manufacturer we've found. Delivered 10K units leak-free, under budget. Fast shipping too!"
★★★★★ Sarah L., Supply Chain Lead
"OEM quality exceeded expectations. 30% cheaper than Vietnam suppliers, with better water resistance. Highly praised by our team."
★★★★★ Tom K., E-commerce Seller
"Perfect for Amazon FBA. Custom designs arrived in 20 days to Seattle. Zero complaints from customers—5-star seller boost!"
★★★★★ Lisa M., Retail Buyer
"As a dry bag backpack wholesaler, their service is top-tier. Compliant, durable, and responsive. Will reorder."
Limited slots for Q1 2026 production. Free samples + 5% discount for first 50K visitors. 100% money-back if not satisfied. Privacy protected—see our policy here.
WhatsApp: +86 18031277371 | Email: sales001@baigouluggage.cn
Address: No. 12 Yanling Road, West of Xingsheng Street, Baigou Town, Baoding, China
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