RFID Blocking Cards (2 pack) by THE CARD VAULT Protect Credit and Debit Cards With RFID Chip From Identity Theft, Skimmers and Hackers SECURITY. PROTECTION. PEACE OF MIND. - This is what you get with THE CARD VAULT RFID blocking technology. Onboard electronics designed to block 13.56 MHz frequency that modern chipped credit and debit cards use can protect your cards from portable scanners used by thieves to steal your information. Attractive Design. - Unlike thin, weak, cardboard sleeves, our premium quality scanner blocking cards are made from durable plastic and are shaped just like a normal credit card. No need to have a seperate sleeve for each card, just ONE CARD VAULT card in your wallet is all you need. High Tech. - Our RFID blocking technology is powerful. Using a built-in PCB circuit board and antenna makes THE CARD VAULT the best choice for keeping your personal information private and out of the hands of cyber criminals. Other products just use a thin piece of aluminum foil to block signals. Best Choice. - With durability, technology, great looks, ease of use, simplicity, and a PATENT PENDING design you can have the best of all worlds in one small package. NO PROBLEM NO HASSLE MONEY BACK GUARANTEE. - If you are not 100% satisfied with THE CARD VAULT RFID blocking cards we will refund or replace your purchase NO PROBLEM just give us a chance to make it right.