Big Skinny Men's Tri-Fold Slim Wallet, Holds Up to 25 Cards Classic double-fold-over design with full-sized billfold area; holds up to 25 cards ID pocket with clear window; 4 credit card pockets; 2 hidden storage pockets Pockets lined with rubbery coating to prevent cards from sliding out Constructed of thin, light, and durable nylon microfiber; machine washable Measures 3 x 4-1/8 inches