These WHITE Vinyl ATC 3 Hole 18 Pocket Page Protectors hold 18 - 2 1/2 in. x 3 1/2 in. trading cards per page. These are different then our 9 pocket page protectors; these are made from high clarity double polished clear heavy duty vinyl with a white middle layer. This product features top 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 could 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, but works best with the Break-Back Display Album. Features UV Protection and no PVC. The page protector measures 9 3/16 in. x 11 9/16 in. The pocket measures 2 3/4 in. x 3 9/16 in.