COURIER BAGS · FACTORY-DIRECT CUSTOMIZATION

Courier Bags Manufacturer for Custom Poly Mailers

Guandu Packaging manufactures waterproof courier bags and custom poly mailers for e-commerce fulfilment, apparel packaging and parcel delivery programs.
01

Built for shipping

Choose water-resistant, tear-resistant mailers for everyday parcel protection.

02

Made to specification

Confirm size, thickness, color, seal and artwork around your packing process.

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Ready for global sourcing

Start with a sample plan, then align production packing and delivery details.

PRODUCT RANGE

Explore the product options

FACTORY-DIRECT CUSTOMIZATION

Share your specification for a production-ready quotation.

For an accurate recommendation, tell us the packed product size, material preference, printing artwork, quantity and shipping destination. Our team can then confirm the suitable construction, sampling plan and order details.

Request a quote →

BUYER FAQ

Frequently asked questions

What information is needed for a courier bag quotation?

Share the finished bag size, material or thickness preference, printing artwork, order quantity and delivery destination.

Can courier bags be customized with a logo?

Yes. Guandu Packaging supports custom logo and text printing alongside material, size, color and sealing choices.

How do I choose a courier bag size?

Measure the packed product, not only the flat item, then use the mailer size guide as a starting point before confirming the final specification with the factory.