Mosafer Smart Wallets One Size Carbon FibreMosafer Smart Wallets Carbon Fibre in One Size This Slimline Card Holder from Mosafer's Smart Wallet Collection is a modern gent's everyday requirement. It's sleek, stylish, and fitted with RFID blocking technology. It is made of aluminium and is meant to keep your credit cards safe while you go about your everyday tasks. This fashionable RFID Card Holder is conveniently sized to go into any shirt or trouser pocket and contains a quick release button