If you hate carrying a wallet this DM1 Aluminum Wallet is for you. At 12g it is the lightest wallet available and it is CNC Machined from a single piece of aircraft-grade aluminum. No rubber bands or tricky folding. Just slide a card in and you will hear a click. Comes in 10 different colors and three sizes to hold either 4, 8 or 12 cards. It is 3.53 in long 2.38 in wide and 0.23 in thick.