Chanroy - Silicone Credit card holder for any mobile phone. Fits on the backside of the cell phone / smart phone. Easely attachable. (3 Pack Black) Awesome Silicone credit card holder for any mobile phone / smart phone Very High Quality Materials expand but will keep it's original shape. Durable, smart, and stylish design Carry your credit cards and ID without bringing a wallet or purse! Attach / detach without leaving any glue / marks. Can be attached either to the phone or to your mobile phone case. Accessory Only, Device is NOT included