Sheepskin Leather Trifold Wallet With ID Window With RFID. Features Radio Frequency Identification (RFID) Blocking Technology To Help Prevent Identity Theft And Block Radio Waves From Being Transmitted From U.S. Passports And Certain Credit/Debit Cards. Durable Sheepskin Leather Exterior With Check Printed Fully Lined Interior. Trifold Interior Features Four Credit Card Slots, An I.D. Card Window, Two Vertical Open Slip Pockets, And A Fully Lined Bill Compartment. Distinctive Turned Edge Construction And Soft, Smooth Leather Gives The Wallet A Clean, Sleek Look.