Keep your identity secured with this Anti-Hacker Mobile Wallet! This mobile wallet is made of PET material on the outside and aluminum on the inner walls. It easily attaches to the back of your phone using a strong adhesive. This simple to use device will help you protect your internal information on hand. Simply plaace your credit cards inside the holder to prevent the cyber hackers from stealing your identity. The aluminum inner walls prevents data transfer between the wallet and reader. It can work with any contactless chip card. Cards that are swiped won't send RFID signals and will not be protected by an RFID Blocker. Make this anti-hacker mobile wallet your friend!