Hammer Anvil RFID Protected Leather Money Clip Minimalist Slim Front Pocket Wallet Genuine Leather Genuine Leather Thin Front Pocket Wallet by Los Angeles Based Hammer Anvil Hammer Anvil's Anti-Breach Technology TM will stop anyone from obtaining your information. Wireless readers will not get through our RFID protection. Will stop credit cards & licenses that operate on 13.56 MHZ frequency, but not proximity access cards & ID badges at 125Khz. If you need a classy & thin wallet, you've found it: 4 card slots and a perfect larger top center receipt/card pocket all built in. Measures 3 7/8" x 2 3/4 x 1/2" Spring Money Clip is covered by the same leather of the wallet to insure a long lasting sleek look. Hammer Anvil Money Clip Card Case goes the extra mile for you holding your essential cards & cash. What else would you need on the go while making you look great & fitting in your pocket with ease.