Big Skinny Women's myPhone Bi-Fold Slim Wallet, Holds Up to 30 Cards Elasticized exterior pocket securely holds a smartphone via elastic strap; holds up to 30 cards 4 tiered card pockets, 3 hidden pockets, ID pocket with clear window, full-sized billfold area Pockets lined with rubbery coating to prevent cards from sliding out Constructed of thin, light, and durable nylon microfiber; machine washable Measures 3-3/4 x 5-1/4 inches