When it comes to shipping books, these large padded mailing envelopes are a great choice. The kraft paper exterior is and tear-resistant, while the bubble lining offers added cushioning. Use these mailers to send out your products with confidence, knowing they are protected from damage during transit. The self-sealing feature makes packing quick and easy. Features -Color:Khaki -Material:PE, kraft paper -Size:22.00X12.00X0.50cm/8.65X4.72X0.20in -Enhanced protection: the combination of thick kraft paper and a plastic bubble layer offers excellent shock absorption, protecting your items from damage during shipping -Easy sealing: the self sealing feature allows for a easy packaging process. just peel and fold to securely seal the envelope -Tamper proof: the strong self adhesive strip ensures that the envelope is tamperevident, providing a layer of security for your shipments -Lightweight design: these mailers are lightweight, helping to while still providing robust protection for your items -Ideal for ecommerce: these bubble mailers are suitable for online retailers and boutiques, offering a reliable and efficient way to ship products safely Package list: 50 x bubble packaging bags