This polyurethane phone accessory is compatible with magnetic phones, adhering to the back with 22 built-in magnets for stability. It holds up to three cards, making it ideal for carrying identification, a room key, cash, or a credit card. The available color is slate, and standard silk-screen colors are used for imprints. The approximate size is 2 ½" W x 3 ¾" H x ¼" D, with an imprint area of 1 ½" W x 2" H.