RFID Blocking Passport Case All newly issued U.S. passports and many credit cards now include an RFID chip (radio frequency identification data) with personal information Effectively blocks RFID readers for security Design enables passport to scan without removal from case 4 card slots and window 82020 1680 D. Ballistic Nylon with Leather Trim Colors: Black Size: 5.5" x 3.75" x .5" Patent Pending