Credit Card / ID Card Holder - Attach to any Phone - Carry your Essential Cards with your Phone - Silicone Material, cards will not fall out - 3M sticker - with Safe Flight Cloth and Retail Package From now on you can leave your wallet at home. Just stick on this card holder to your phone and insert up to 4 cards that you use most frequently. This card holder is ideal for any card type with standard dimensions, for example: credit card, driving licence, ID, business cards, etc. Other items can also be inserted into the card holder, so you won't leave home without. For example money, charge cable, memory card, electronic key, flash drive, etc. Use the strong 3M sticker to attach to your phone. The card holder can be removed easily without leaving traces on your phone. The non-slip silicone material will prevent cards from falling out. It will also keep its shape and will not get stretched out like other materials can.