The Kraft Bubble Mailers are rectangular self-sealing shipping bags measuring 6×10 inches, with a total of 100 pieces included in the pack. Made from a combination of nylon and paper materials, these yellow mailers offer a secure closure for easy shipping and handling. With dimensions of 10 x 6 x 0.1 inches and weighing 2.77 pounds, these bubble mailers are perfect for businesses and industrial use for securely delivering small items in the mail.