Size: about 1/2 inch(14mm) wide, 1.3mm thick, 22.8m/25 yards long, sufficient in quantity and complete in combination to meet your daily use demands, long enough for you to cut into different lengths for book binding and beautification. Material: Made of polyester, with tightly woven process, the bookbinding headband is stable in structure, not easy to break, deform or fade, serving you for a long time, allowing glue to connect/bind the headband together. Easy to Use: You can cut into different lengths as you like, and then use glue (not included) to fix them easily, to finish your book binding and beautification, give your bookbinding project a professional look and add extra support to the spine structure. Wide Application: Can be used for book repair of magazines, booklets, record sleeves, hardcover albums, etc., suitable for book sidebands, headbands, headbands, book back strips, and headbands to keep your books flat and clean. Book Repair: Use these binding cloths to put together book projects or even repair, reinforce and protect old books, hardcover photo albums and other paper materials for finishing hardcovers and making your books look great!