4000 Pcs 4x8 Shipping Bags Cushion Mailers for E-commerce Small Goods

Usable Size (Internal): 4 x 7 inch — Exterior: 4 x 8 inch. Water & Crush Resistance: The tough exterior material offers a first line of defense against minor splashes and provides structural integrity against crushing forces. Dependable, Permanent Seal: A strong, lasting seal that securely protects contents from the elements and prevents accidental item loss during sorting and transport. Optimized for USPS/FedEx: The lightweight, standardized design is calibrated to minimize dimensional weight charges and qualify for the lowest possible shipping tiers. High-Quality, Print-Ready Paper: The Kraft paper is smooth and consistent, offering the best platform for attached labels, barcodes, and customs forms.