Big Skinny Card Case Slim Wallet, Holds Up to 16 Cards Classic card case design holds up to 16 plastic cards One interior pocket holds up to 10 cards; ID pocket with clear window holds up to 6 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 2-3/4 inches