The biggest thing to happen to wallets since wallets. The slimmest, most secure, and satisfying wallet ever designed. The Groove Wallet® is built to protect your stuff and outlast the competition. It includes RFID-blocking technology for extra security and holds up to six (6) cards while maintaining a low profile. Also comes with a detachable money clip. We set out to design the best minimalist wallet on the market. The Groove Wallet®. Say hello to the baddest, thinnest wallet in its class. Need to carry more than 6 cards? Add a low-profile premium leather sleeve that easily attaches to the back of the Groove Wallet® for added function without bulk. Groove Life®. Built for Adventure™. * No more %@$&* levers! A smooth, single-handed slide action quickly arrays up to 6 cards for easy access. * Detachable money clip securely holds cash. *Money Clip: 8.5mm Leather Sleeve: 12.5mm So thin, it fits perfectly in your front pocket. You'll barely know it's there. * Friction fit mechanical arm holds cards in place. * Holds up to 6 non-embossed cards, and up to 8 with the leather card sleeve. * Blocks RFID transmission and is made of aerospace grade material to last a lifetime.