The Window Premium PRO-Binders are ideal for keeping your sports or trading card collection. The Window Premium PRO-Binder features a center window to frame your favorite card. Keep your card collection organized and safe with the clear archival safe 9-pocket pages, which feature side loading pockets to keep cards clean and in place and an elastic strap for secure keeping. The album has 20 pages that hold up to 180 standard size cards allowing to easily view the front and back of your cards. (cards not included)