These 11 x 13 x 2 inch expansion poly mailers are built from 2.5 mil polyethylene with a gusseted bottom that opens to a full 2" depth, giving them a distinct advantage over flat mailers when shipping bulkier soft goods. Interior dimensions provide genuine cubic capacity without requiring a rigid box.

The white exterior accepts ink, stamps, and adhesive shipping labels reliably, making them a practical choice for e-commerce fulfillment centers, subscription box operations, apparel retailers, and direct-to-consumer brands shipping folded garments, accessories, or bundled soft goods.

A self-seal adhesive strip closes the mailer without tape, and a double-perforation tear strip allows recipients to open the package cleanly. The silver inner lining and reinforced seams maintain structural integrity when packed to capacity. Each case contains 100 mailers and ships via parcel carrier.