BCW Card Sleeves are an acid free, archival quality product made of crystal clear polypropylene. Use this protective holder to protect, store and display your collectible trading cards like: baseball cards, basketball cards, football cards, hockey cards, Pokemon, Magic The Gathering, and others. - Fits inside topload card holders - Protect cards while handling Exterior Dimensions: 2 5/8 X 3 5/8 100 sleeves per pack