Costyle 4 Pack Ultra Slim Thin Phone Card Holder Package: 4 Pcs self-adhesive card wallet holder( Black Grey Blue Purple) Multi Color Appearance Made of high quality elstic fabric, the sticker pouch has 7 different colors for you to choose. The stretchy fabric design enable you to put not only credit card but more things as you like, as it is more stretchy than the leather or silicone material. Lightweight and Durable Wallet Sticker With the dimensions of 3.7 x 2.3 inch and the weight of only 10g. The strong wallet sticker will keep its shape and cards will not fall out even you flip it over. Good Quality and Easy to Remove With the 3M tape, the card sticker can easily attach to the back of your phone or wallet. Anytime you don't want it, it could be easily removed from the back of your phone or the surface you placed. Suitable for Many Occastions This self adhesive Sticker can be used on your smart phones, wallet, desk, laptop, car window or dash, refrigerator or any place you like. What you need to to is remove the film and place them. Tips to Apply the Phone Credit Card Holder 1. Clean the back of you smart phone or any place you wanna place. 2. Rip off the film of the adhesive. 3. Place the card holder on the back of your phone.