Uxcell PU Adhesive Phone Wallet On Card Holder RFID Blocking For Smart Phones 4.1" x 3" Blue

The smart phone card sleeve is mainly used for sticking on the back of the phone or case so as to keep your credit cards, business cards, access cards, or some photo cards. Made of durable PU material, the card sleeve is not easy to wear and break, and can better store credit cards, business cards or photo cards. Comes with card RFID blocking, which can effectively protect your personal information. Clean the back of the phone or phone case. Use double-sided tape to stick the card holder to the back of the phone. Smart phone with glass back needs to install a phone case before using the card sleeve, otherwise, it cannot be stuck on the phone.