Can be printed in plastic or metal as shown (upper steel, lower white strong & flexible) Tie a strong 2mm elastic (available at any sport store) arround two pieces to hold all your Bank and Credit Cards. This Card Wallet has a locking mechanism to avoid card falling simply by pulling the elastic. A finger hole is available to push out the cards and a special fillet facilitates their insert.
Replace your traditional wallet by this secure card wallet. Attach it to your ring keys or simply insert it into your pocket.