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Your Reliable Bag Manufacturer
Founded in 2006, Weierken is a trusted bag manufacturer with 20 years of experience in the outdoor and delivery bags industry.
We operate 3 self-owned factories across China and Cambodia, covering 80,000+ sqm with over 3000+ skilled workers. Our core product lines include cooler bags, waterproof backpacks, beach bags, and more, all OEM, ODM, and custom-built to client specifications.
Trusted by 2,000+ global brands, we provide dedicated R&D, fast turnaround, and strict quality control as their long-term design and production partner.
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Why Choose Us
1. Certified In-House Factories in China and Cambodia
Weierken owns and operates three self-owned factories across China and Cambodia, covering 80,000+ square meters and staffed by 3000+ skilled workers. With BSCI, SEDEX, ISO, and other certifications, our vertically integrated production ensures stable quality, on-time delivery, and cost control, trusted by 2,000+ global clients.
2. Experienced R&D Drives Market Fit
Our in-house R&D team works closely with brands to turn concepts into custom products. We combine trend insights, user behavior research, and prototype testing to create cooler bags, delivery bags, and waterproof gear that align with your market and brand vision.
3. Flexible ODM/OEM/Customization Services
From materials, structure, and colors to logos and retail-ready packaging, we guide clients through every detail of the customization process. Weierken supports both flexible-MOQ pilot runs and high-volume orders, offering mockups, 3D previews, and flexible adjustments along the way.
4. Partnership Mindset, Not Just Manufacturing
We’re more than a bag factory. We act as a hands-on production partner to many brands, helping them scale efficiently. With responsive communication, after-sales support, and continuous development, our team is committed to long-term brand growth, not just one-time orders.
Certification
What's On Trend
25L IPX7 WATERPROOF WIDE-OPENING BACKPACK W02-26SS
Designed for short fishing sessions, boat or kayak dry storage, outdoor travel and rain-season commuting.
20L MAGNETIC-CLOSURE WATERPROOF COOLER BACKPACK C04-26SS
Designed for fishing, boating, outdoor travel and retail outdoor programs.
Insulated Delivery Bags DBS06
All-in-one delivery bag with premium features for...
Insulated Food Delivery Bag With Shoulder Strap DBS08
Insulated bag, fit for food trays, meats, grocery delivery...
Recent Blog Posts
Guides
Best Restaurant Delivery Bag Manufacturer: Top OEM Solutions for 2026
Off-premise dining now generates over 40% of total revenue for leading quick-service restaurant (QSR) chains and fast-casual brands. Takeout and delivery are no longer secondary channels;
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Guides
2026 Trends: How Eco-Materials and Tech Are Reshaping Private Label Delivery Backpacks
As the delivery industry approaches 2026, fleet operators and food aggregators face two converging pressures. On one side, environmental regulations are tightening rapidly. Directives like
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Guides
The 6 Best Bulk Insulated Bags for Delivery Fleets: Heavy-Duty & Custom Picks
Operating a commercial delivery fleet is a continuous battle against operational wear and tear. Sourcing low-cost, consumer-grade cooler bags might shave a few dollars off initial onboardi
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