Big Skinny Polka Accordion Card Case Slim Wallet, Holds Up to 30 Cards Pocketable Rolodex with 11 gusseted pockets for organization and 2 interior side pockets Exterior ID pocket with clear window can hold up to 5 cards Full zippered closure ensures cards are secure; zip pull for optional wrist strap or key ring Constructed of thin, light, and durable nylon microfiber; machine washable Measures 4-1/4 x 2-9/16 inches