* TEAR PROOF - The sturdy 7x10 packing slip envelope sleeves have incredible durability when shipping postal, USPS, UPS or FedEx. * WATER PROOF - These shipping envelope pouches keep the contents safe from water. Being waterproof, you can have peace of mind that your packing list slip will not get wet if left out in the elements by the logistics carrier. * CLEAR WINDOW - The clear mailing sleeves 7x10 are perfect for enclosing your invoice, packing slip or shipping label for easy identification and keeping it secure. Easy back loading panel. * SELF ADHESIVE - The 7x10 packing slip pouches feature a self-adhesive backing that allows for strong attaching with no need for tape. * VERSATILE - Apply to boxes, envelopes, mailing bags, tubes, and more. Adhesive bonds to a variety of surfaces.