• Fits Every Smartphones: For Phone card holder compatible with iPhone, Samsung Galaxy, and all most smartphones. Note - Glass Back for iPhone 11/X/8/8+ has an anti-fingerprint coating on the back of these devices that doesn't allow adhesive so we recommend a case with these phone models. • Multiful Function: Made of anti-slip silicone rubber with back adhesive sticker, ultra slim is 4 cards (credit cards, ID, drivers license and some cash). The recommended storage is 2-5 cards. The wallet sticker with the card holder transforms a normal phone holder, it also can be used as stylish slim wallet for women, small but very handy & functional for daily usage. • Self Adhesive Phone Pocket: Peel off the cover of the sticker and stick it to the smooth back of your phone, and finish by softly pressing. Strong adhesive on back of you cell phone, but no sticky residue when removed. • Secure Cell Phone Card Holder: Fit standard size credit card, ID card, driver's license, business card. Also be used to store money, bills, security card key, charging cable, earphones, flash drive, cigarette lighter, and other small gadgets. • Strong Adhesion & No Residue: If you didn’t stick it perfectly at the first time, peel off, adjust, and re-stick. No sticky residue will be left after removing it. Widely used for computer back, glass, car window, car dash, refrigerator door or home front door.