RFID Silver Sleeves are the best material on the market for protecting your ID information.  Includes 1 passport-sized sleeve and 2 credit card-sized sleeves (each can hold multiple cards. RFID theft is on the rise, as it's so easy for someone with a scanner in their briefcase to sit down next to you at the airport and access the microchips embedded in your passport, credit cards, and driver's license.  You won't even know it's happening. Protect yourself with Silver Sleeves.