Help protect your identity with this innovative RFID-blocking card case. Many recent credit cards include an RFID or radio frequency identification chip that broadcasts your personal data using radio frequency; your sensitive information can be captured without your knowledge by an RFID-reading device. The Travelon durable multi-passport holder effectively blocks RFID-reading devices to help keep you and your family's personal data safe. This multi-passport holder effectively blocks RFID readers from capturing information Dimensions: 8.13"H x 5"W x 0.75"D Made of polyester and leather in black Thin profile allows for easy, discrete carrying Holds up to six passports, making it perfect for family travel Features four card slots, one zippered, and six slash pockets Offers a pen loop and a full-height compartment