Keep your ID and Credit Cards safe from cyber hackers with the ALUMINUM RFID DATA BLOCKING CARD HOLDER. When your cards are tucked safely in the holder your personal information is prevented from being transferred between the wallet and a reader. Works perfectly with any contactless chip card. This high tech card holder will hold up to 7 cards safely. Eject the cards by pressing the side release button. And if by chance the cards get jammed, there is an emergency release located on the bottom of the holder. Choose from 5 different colors for your logo, and help your customers protect their identity with the ALUMINUM RFID DATA BLOCKING CARD HOLDER.