Hammer Anvil Men's RFID Blocking Multi-Card Compact Center Flip Bifold Wallet Genuine Leather RFID Blocking Wallet Hammer Anvil's Anti-Breach Technology TM will stop anyone from obtaining your information. Wireless readers will not get through our RFID protection. Measures 4.25"x 3.37" x 1" Holds Extra Capacity, Designed to Be Compact 10 Card Slots, 2 Additional Oversized Slots for Cards or Receipts, IDWindow - flip to show or hide