NEW 100-Pack Black Poly Mailer Shipping Envelope Bags Waterproof & Tear Proof

7.5” x10.5” Size - Perfect size for shipping smaller items such as books, kid's clothes, plushies, and more These lightweight poly mailers are great for sending items via USPS, UPS and FedEx An affordable packaging option that allows you to get rid or reduce your use of expensive packing boxes and tape Convenient and easy to use!