Secrid Men Twin Wallet Genuine Leather Amazon RFID Safe Card Case for max 16 cards The Secrid twin wallet. Special design credit card holder made from aluminium and leather. With a click all cards slide out gradually. The cards will not fall out A perfect mens wallet. No problem to keep it in your back pocket. No breaking, No bending. 2 year full warranty Just 24mm flat. Can hold banknotes and 16 cards maximum RFID protection. Prevents hackers to steal your privacy and credit card numbers