RFID: Radio Frequency Identification Denoting technologies use radio waves to identify people and objects carrying encoded chips. These can include credit card information, passport identification or other forms of ID as well as access cards etc. With all the concerns surrounding identity theft today and with the transition to credit and debit cards with embedded RFID chips, now is the time to convert your old leather wallet into a newer RFID blocking one with Anti-theft RFID Blocking Armor! When you're shopping during the holidays, RFID wallet protection secures your credit card and other RFID-chipped cards. When you're traveling abroad, RFID blocking purse protects your personal information stored on RFID chips. Convenient and Simple Design with 4 slots available on the inside to hold a passport and 4 credit cards, bank cards or IDs or some Cash. Slim and Lightweight Materials: Leather