BCW Card Sleeves are an acid free, archival quality product made of crystal clear polypropylene. Use these card holders to protect, store and display your collectible thick memoribilia baseball cards, basketball cards, football cards, hockey cards, and others. Fits inside thick-card topload holders Protect cards while handling. Exterior Dimensions:2 3/4 X 3 13/16, 100 sleeves per pack SKU:1-SSLV-THICK