The C-Line Self-Adhesive CD Holder is made of durable, reduced-glare polypropylene to protect your CD"s from scratches and dust. Simply peel off the adhesive backing, affix to a clean surface, and store your CD for easy access. Great for storing CD"s in books, binders, or file folders. Each holder is 5 1/3" x 5 2/3", with 10 holders per package.