Modern time,you have to stop other guys steal your data.This metal wallet keep your data safe,it is with RFID blocking function.Men,you do not want to be constrainted by wallet,you are a nature and free people.Material,Aeronautical material,304 stainless steel,Size 86x54x13mm Stainless steel clip for 15pcs paper money. Elastic fabric band,can hold 1 to 12cards tightly It is the wallet that is an industrial, modern, sleek, tough solution in the minimalist wallet revolution! The wallets come in a variety of materials,such as aluminum, titanium, carbon fiber and polycarbonate. It provide RFID protection, easy access to cards, and convenient cash strap on the outside. With two metal ends held together by 20mm elastic bands, the Wallet is extremely functional. You can easily fit 2-12 cards and some cash. It's also super lightweight. It's the perfect front pocket wallet.