The Ultra Pro Platinum Series 9-Pocket Trading Card Pages provide a way for you to display and protect your favorite trading cards in any standard three-ring binder. Coming in a box of 100, each page holds nine 2.5 by 3.5-inch trading cards. The top-loading pages are constructed of polypropylene that is PVC and acid-free and offers UV protection to keep your cards in perfect condition. With strong seam welds, the durable heavy-weight pages are made for long lasting use.