It uses advanced RFID SECURE Technology, blocking 13.56 MHz or higher RFID signals. Fossil Men's RFID Flip ID Bifold Wallet. This item is designed with 100% smooth cowhide leather, multiple compartments, 2 side pockets, and 2 ID windows. Measuring 4.5 x 3.5 inches, it features an RFID blocking lining. Tommy Hilfiger Men's Leather Wallet.