01 / Product development
Design Built Around Real Use
We translate carrying, storage, insulation and access needs into bag structures, material choices and working samples.
OEM & ODM Bag Manufacturing
Custom Outdoor & Delivery Bags for Your Brand
From a new concept to your next collection, Weierken brings bag design, sampling and manufacturing together. Develop custom cooler bags, waterproof bags and insulated delivery bags with a factory team that understands your market.
Why Weierken
A Manufacturing Partner Behind Your Brand
Bag manufacturing since 2006, with product development and production support for outdoor brands, retailers, distributors and delivery operators.
02 / Factory expertise
Two Product-Line Specialists
Outdoor bag and delivery bag manufacturing bring the right construction, equipment and production experience to each project.
03 / Quality control
Checks Throughout Production
Our team checks incoming materials, in-process workmanship, finished bags and packing to keep production consistent.
OEM, ODM & Concept Customization
Three Starting Points for Your Bag Project
A complete design, an existing Weierken model or a new product idea. Each starts a different development route.
Your Design,
Our Manufacturing
Manufacture your fully developed bag design, with factory support for materials, sampling and production.
- Your finalized drawings or technical specification.
- Manufacturing and material evaluation.
- A pre-production sample and quality checks.
Best for: Brands with a defined product ready to manufacture.
Our Design,
Your Brand
Adapt an existing Weierken cooler, waterproof or delivery bag for your range and customers.
- A Weierken model as the starting point.
- Custom colors, features and materials.
- Your logo, labels and packaging.
Best for: Private-label ranges and collection extensions.
Your Vision,
Our Development
Develop a new bag around an unmet customer need, a market opportunity or your brand's product idea.
- Market research and product planning.
- Concept design and technical development.
- Prototype testing and sample refinement.
Best for: New ideas that need design and development support.
Make it your own
Customization From Fabric to Finishing
Product function and brand identity work together. We develop the combination that suits your outdoor customers or delivery operation.
Materials & Performance
Outer fabrics, coatings, linings and insulation for the way the bag will be used.
Capacity & Construction
Dimensions, compartments, openings and carrying systems, with sewn or welded construction.
Branding & Presentation
Logo applications, colors, accessories, labels, hangtags and individual packaging.
OEM project process
Our Support at Every Stage
One team coordinates your project through development, factory production and delivery. The scope and schedule are confirmed for your bag and order.
Inquiry Review
Our team reviews the bag design, quantity and intended market, then recommends a development approach.
Preliminary Design & Proposal
We develop the appearance, dimensions, colors and logo placement around your product plan.
Detailed Design & Sampling
Technical evaluation, material selection and pattern development lead to a working sample.
Sample Review & Quotation
We present the sample, refine the details and prepare a quotation for the agreed product.
Price & Contract Confirmation
Product specifications, pricing and order terms are documented before production starts.
Production & Quality Control
The factory produces the bags and inspects them throughout assembly, correcting non-conforming work.
Testing & Verification
The quality team checks the applicable physical, dimensional, appearance and functional requirements.
Packaging & Delivery
We complete the packing checks and coordinate delivery with the selected logistics service.
After-Sales Support
Our team remains available for product feedback and follow-up after delivery.
Quality built into the process
Our Team Takes Care of the Details
Material checks, in-line inspection and final review are part of our manufacturing workflow. We check construction, workmanship, branding and packing against the product specification.
Our company presentations report a 99.5% quality pass rate. Full inspection of finished bags and a separate 10% random inspection stage support our quality process.
Company-reported performance, not a guaranteed pass rate for an individual order.
See Our Quality Control Process →Supporting documents
Certificates & Supporting Reports
Browse quality-system documents, factory audit records and supporting authorization and material-test reports, all displayed together.
Documents apply only to the named entity and stated scope. Historical records are not current certification, and sample-test reports do not certify every product. BSCI is a factory social-audit report; GRS product claims require applicable transaction documents. The GRS appendices belong to the same certificate.
OEM & ODM FAQs
Custom Bag Manufacturing Questions
What is the difference between OEM and ODM bag manufacturing?
OEM starts with your fully developed design or technical specification. ODM starts with an existing Weierken bag model that we adapt with your materials, colors, features and branding. If you have a new idea without a finalized design, concept customization adds market research, product planning and prototype development.
Can Weierken develop private-label cooler bags and waterproof bags?
Yes. Our outdoor bag development covers custom cooler bags, waterproof bags and outdoor carrying solutions. Options include capacity, insulation, coated fabrics, openings, carrying systems and private-label branding, with the construction selected for the intended use.
Do you manufacture custom insulated bags for food delivery fleets?
Yes. We develop insulated delivery bags around the operator's containers, transport method and branding, including bag dimensions, compartment layouts, insulation and carrying features. Our delivery bag manufacturing team supports sampling and production.
What affects the minimum order quantity for custom bags?
The bag design, fabric selection, custom colors and components affect the production minimum. We provide the applicable MOQ, sampling cost and production schedule with the quotation for your OEM or ODM project.
How does Weierken control quality during bag production?
Our workflow covers material review, in-line workmanship checks, finished-product inspection and packing checks. The quality team follows the construction details and product specification, with documentation matched to the material, facility or order concerned.
Request a Quote
Discuss Your Bag Project
Tell us your product type, estimated quantity, target market and delivery schedule. Add a drawing or reference photo if available.
Please provide a working email address so our team can reply to your inquiry.