Aluminum Wallet Features: SIZE 10x7x2 cm Nearly indestructible Ultra-slim outer case Made of die-cast aluminum alloy Waterproof to keep your valuables dry Compact size is great for both men and women Compact and lightweight, it holds cash or up to 10 credit or ID cards in its seven sleeves, which protect the cards' magnetic strips. Slips easily into your shirt pocket or purse. (4¼ x 2¾ x ¾")Compact and lightweight, it holds cash or up to 10 credit or ID cards in its seven sleeves, which protect the cards' magnetic strips. Slips easily into your shirt pocket or purse. (4¼ x 2¾ x ¾")