Black Olgon Aluminum Wallet Aluminum Imported Dimensions: 4.29 inches x 2.83 inches x .75 inches The open fan-shaped compartments are functional in design and allow easy access to each card. The wallet features seven expandable pockets made of resistant PVC to fit up to 12 cards, an Excellent protection of the data chips from electro-magnetic radiations. The aluminum is made of water-resistant material. Click-button makes opening and closing easy.