Ultra PRO's original clear soft Penny Sleeves® are made with non-PVC, archival safe and acid-fee polypropylene film. These Penny Sleeves® protect your valuable trading cards and collectible game cards from dust, dirt and natural oils from hands during handling and storage of the cards. Designed to hold standard size (2-5/8" X 3-5/8") trading cards up to 35 points in thickness, these Penny Sleeves® also minimize surface scratches on your cards during sorting, display or, for gaming cards, during game play.