Prevent hackers from electronically gaining Radio Frequency Identification information from chips in your credit cards and driver's license. Special mylar lining blocks radio-frequency identification (RFID), the wireless non-contact use of radio-frequency electromagnetic fields to transfer data scanning of your cards. Built-in RFID blocking material Expanding accordion style Multiple credit card slots Front ID window 2 zip compartments: one has 11 slots, another has 3 slots Imported Protect yourself and get your RFID Wallet today!