UNIVERSAL ADHESIVE CELLPHONE CARD WALLET: Just stick it firmly on the back of your smart phones, tablets or other devices and you can get a handy wallet. As they are made of , you can put some cash, earphones, keys or about 2-3 cards(such as ID card, credit cards, driver's licence, business cards, metro card, insurance card, discount card, etc) in it. DURABLE DUAL LAYER SOFT CLOTH WALLET STICKER: It is made of high-quality elastic fabric. The strong wallet pouch will keep its shape and cards will not fall out even you flip it over. The dual layer design make you more space to put your items. It is very convenient if you have different things to store. Only 10g will not add so much weight on you devices. CONVENIENT 3M ADHESIVE: With 3M tape, it can easily attaches and provides a strong attachment to the surface of your devices. As it is reusable, you can stick it on other devices immediately after you peel it. When you want to remove the self-adhesive card wallet, just peel it off and it won't leave any residue.