Tired of low-quality backpacks failing in rain-soaked fieldwork? TIANSHANGXING delivers large waterproof backpacks that protect gear for operations managers and supply chain pros in the USA—durable, customizable, and shipped fast. As a purchasing manager
Tired of low-quality backpacks failing in rain-soaked fieldwork? TIANSHANGXING delivers large waterproof backpacks that protect gear for operations managers and supply chain pros in the USA—durable, customizable, and shipped fast.
Get Free Quote in 24hAs a purchasing manager sourcing large waterproof backpacks for field teams, you face relentless challenges. Rainy seasons in the Pacific Northwest or humid Gulf Coast ops destroy unprotected gear daily.
These issues drain your budget and delay projects. Imagine slashing them with a reliable wholesale large waterproof backpack partner.
Ready to fix this? Contact us now.With 30 years in backpack manufacturing, TIANSHANGXING BAG LEATHER GOODS CO., LTD solves your needs via our powerful factory in Baigou, China—the global hub for luggage.
| Feature | Standard Model (50L) | Large Model (70L) | Custom OEM |
|---|---|---|---|
| Capacity | 50L | 70L | 40-100L |
| Material | 1000D PVC Tarpaulin | 1000D PVC + Foam | Custom (TPU/Nylon) |
| Waterproof Rating | IPX6 (Submersible) | IPX7 | IPX6-8 |
| Weight | 1.8kg | 2.2kg | Custom |
| Dimensions (cm) | 55x35x25 | 65x40x28 | Per Spec |
| MOQ | 500 units | 300 units | 100 units |
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Outdoor Construction Teams: A Texas firm ordered 2,000 units; zero failures in 6 months of rainy-site use, saving $45K in gear losses.
Logistics & Field Service: USA utility company uses 70L models for tools—100% dry after submersion tests.
Hiking/Adventure Outfits: Custom roll-top designs for group rentals, boosting repeat business by 28%.
Our state-of-the-art production line ensures precision for every large waterproof backpack.
Download Product Brochure FreeStarts at 100 units for OEM/ODM. Bulk wholesale from 500 units qualifies for best pricing. Perfect for USA resellers.
3-5 days for stock samples; 7-10 days for customs. Free shipping to USA on first order over $500.
T/T (30% deposit), L/C, PayPal for samples. USA-friendly terms with escrow options.

Sea: $2,500/20ft to LA (20-25 days). Addresses high shipping pain points with consolidated freight.
Yes—logos, colors, compartments. Full ODM support from our design team.
1-year warranty, free replacements for defects. 24/7 tracking via app.
Ideal for hiking, construction, military—large waterproof backpack for gear up to 70L, fully submersible.
Order now for 10% off first 1,000 units + free samples. Limited stock on 70L models. Risk-free: 30-day money-back guarantee.
Contact TIANSHANGXING Today:
Email: sales001@baigouluggage.cn
Phone/WhatsApp: +86 18031277371
Address: No. 12 Yanling Road, West of Xingsheng Street, Baigou Town, Baoding, China
Your data is secure—see our Privacy Policy. EEAT-verified supplier.
With decades at TIANSHANGXING and prior roles at global brands like Samsonite suppliers, Li specializes in OEM waterproof gear for USA markets. Insights backed by 2026 industry reports from Statista and Grand View Research.
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