9 x 12 Poly Mailers Designer Quality 2.4Mil Thickness Shipping Plastic Envelopes Mailing Bags Self Adhesive Printed

Elevate Your Packaging With Stylish, Protective Poly Mailers

Measurements without lip
9 x 12- 
9 in x 11 7/8 in
23 cm x 30 cm

Lip measurements
2" (5cm)

2.4Mil thickness

A strong self-sealing adhesive strip ensures fast, efficient packing—just insert the item, peel, and press to securely seal your shipment. The tamper-resistant closure provides peace of mind, preventing contents from being replaced or exposed during transit. Each bag also accepts adhesive labels or permanent marker addressing for smooth fulfillment.

Our poly mailers are waterproof, tear-resistant, and carrier-approved, featuring reinforced seams and generous flaps for easy over-stuffing. Whether you're mailing shirts, sweaters, jeans, books, accessories, or boutique gifts, your items stay clean, dry, and protected from warehouse to doorstep.

Choose from a variety of sizes to support small businesses, online shops, and retail packaging needs. With their decorative designs and reliable performance, these premium poly mailers double as beautiful gift-ready packaging—perfect for birthdays, holidays, or special occasions.

Give your customers an unforgettable unboxing experience while keeping your products safe. Stylish, strong, and 100% recyclable—your perfect shipping solution.