Introducing the RUSPEPA Recyclable Corrugated Box Mailers, a crush-resistant and easy-to-use shipping solution for small, lightweight, and fragile items. Each mailer measures 6 x 4 x 1 inches and is made from high-quality 32ect-B kraft corrugated material, providing superior strength while remaining lightweight to save on postage. These mailers fold together in seconds, requiring no tape, glue, or staples, and the double walls of protection on the front and sides ensure safe delivery of your items. Perfect for small retailers, these mailers can be printed in black and are ideal for shipping cosmetics, jewelry, and other small items. The 50-pack provides great value for money, and our after-sales service guarantees a satisfactory solution within 24 hours of any questions or concerns.