Big Skinny Open Sided Mini Skinny Card Slim Wallet, Holds Up to 9 Cards Ultra-thin wallet with easy access to middle billfold section via open top and side 2 card pockets, 1 clear plastic ID pocket (each holds up to 3 cards) Pockets lined with rubbery coating to prevent cards from sliding out Constructed of thin, light, and durable nylon microfiber; machine washable Measures 4 x 3 inches