3 RFID Blocking Cards by TrendSurf - Protects Your Personal Info When You Travel. E-books on Identity Theft and Id Repair. Tested and Approved Feel at ease now that your wallet is completely SAFE AGAINST CYBERTHIEF. Criminals will not be able to use scanners to steal your information. Credit Card Sized. You won't even feel the Security Cards in your wallet or purse. They are designed to optimize your wallet not be a burden. Designed to Block RFID Readers from Scanning Your Credit cards, Debit cards, Banking Information, Smartcards, RFID driver's licenses and other RFID Cards. Single RFID Blocking can protect 2 RFID Cards( Front side and Back side) Simply set the card and forget the card. There is no set up required. Simply keep the cards in your wallet to benefit from the cards scan blocking technology. Great Gift Idea or Stocking Stuffer - If you have Loved Ones, Joint Accounts or Business Partners - You may want to order Extra Sets, so they will be protected also.