These Velobind Binding Strips are designed to perfectly bind 8.5'' long books and documents you want to mail or file. Offering a permanent bond that will make any project look professional and polished, these strips are available in different spine sizes, from 1'' x 8.5'' to 2'' x 8.5'' and 3'' x 8.5'', so you can bind 200, 500 or 750 sheets of paper of 20 lb, and make sure your important documents are held together no matter what. Choose the Velobind binding strips you need and place your order today to get them quickly, at a great price!