PIEROS - RFID Wallet for Men, Bifold, Genuine Full Grain Leather, Stylish Travel Wallet - Signature Wallet 100% Full Grain Genuine Leather – The Signature wallet by PIEROS is crafted using the finest Full Grain Leather and stitched to perfection. Slim Design – Its 6 card slots, 2 card slots behind and with a separate Bill/Money slot is perfect for the everyday person. Its slim designs just measuring 4.4 x3.3 inches. RFID Blocking – The Signature wallet by PIEROS protects your safety information from being electronically scanned by unauthorised by-standers. It protects you from the 13.56MHz frequency which consists of credit cards, debit card, driver licence and some ID badges signals, but may not protect against access cards, hotel room cards or some ID badges which operates at 125KHz