These WHITE Side-Loading Vinyl ATC 3 Hole 18 Pocket Page Protectors hold 18 - 2 1/2 in. x 3 1/2 in. trading cards per page. Pages are white with clear polypropylene to display your cards. This product features side loading pockets with strong welds and has 9 pockets on the front and 9 pockets on the back of each page. That means this pack of 10 ATC page protectors can hold 180 ATCs. They are an acid-free archival product that is designed to protect, store and display your artist trading cards. They fit into 3-ring binders and albums. Acid-Free, archival safe polypropylene pages. No PVC. The page protector measures 9 1/4 in. x 11 3/4 in. Each card pocket measures 2 5/8 in. x 3 3/4 in.