RFID Silver Sleeves are the best material on the market for protecting your ID information. Includes 1 passport sized sleeve and two 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 in the airport and zap into the microchips embedded in your passport, credit cards and drivers license. You won't even know it's happening! Protect yourself with Silver Sleeves from En Route Travelare.