Reach an impressive amount of new and potential clients with this RFID expandable card holder! Made of aluminum, it features an elastic strap and is available in multiple product colors. It holds 6-8 credit cards or 10-15 business cards. The recipients simply place their cards in the holder to prevent cyber hackers from stealing their identity by preventing data transfer between the wallet and a reader. It works with any contactless chip card. Cards that are swiped do not send RFID signals and will not be protected by the RFID blocker. Add it to your campaign to prevent competitors from stealing your leads!