Made of 840D polyester with 210D polyester lining. Slim profile, leather look. Prevents data transfer between the card holder and reader. 3 front pockets. Place your credit cards in holder to prevent cyber hackers from stealing your identity. Works with any contactless chip card. Cards that are swiped do not send RFID signals and will be protected by an RFID blocker.Item Size: 3 W x 4 HImprint Area: 1 5/8 W x 1 H