Genuine full grain leather, High strength stitching, Military grade RFID blocking technology for safety, privacy, and security. Each wallet consists of a unique blend of composite metals. This provides protection against 10MHz to 3000 MHz signals. This includes 13.56 MHz (what credit cards use) and 125 KHz (what most security access cards use). This wallet is timeless and durable and the perfect gift for the men in your life.