The BCW Penny Soft Sleeves come in 6 packs of 100, making a total of 600 soft sleeves for standard-sized cards. Made of durable polypropylene material, these clear sleeves are designed for cards that measure 2 5/8 x 3 5/8 inches and have a thickness of 35 Pt. The soft sleeves offer a secure and protective storage solution for your valuable sports trading cards.