Big Skinny RFID Blocking Traveler Slim Wallet, Holds Up to 20 Cards and 4 Passports Sophisticated, durable wallet for travelers with room for up to 4 passports and up to 20 cards 4 card pockets, 2 ID pockets, extra-deep billfold area, zippered external change pocket Pockets lined with layer of RFID blocking material & a rubbery coating to prevent cards from sliding out Constructed of thin, light, and durable nylon microfiber; machine washable Measures 4-1/2 x 5-1/2 inches