Now you can leave your wallet at home! Just stick this leather card holder directly onto your phone or phone case. Insert up to 4 cards that you use most frequently. Perfect for credit cards, cash, driver's licence, ID or business cards. Uses a strong 3M sticker that attaches to your phone or phone case and is easily removed without leaving any residue. Even better -- you can personalize it! Dimensions are 9.2 x 6.2 x 1.3 inches