Small product, big function! You just need to bring your cell phone and you can go anywhere with ease. comfortably holds up to 5 cards (ID card, credit cards, driver's license, business cards and some cash) Also be used to store money, keys, bills, earphones, security card key, charging cable, cigarette lighter, flash drive, and other small gadgets. Clear,comfortable,adds style and protection,keeping dirts,stains off. Supports all smartphones which have a flat back. How to apply it to your cell phone? ? Clean the back of your mobile device. ? Remove the film of the adhesive. ? Place the card holder on the back of your phone. ? Finish by softly pressing. 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. Practical scenarios where they can be used? ? Office: Office stationery pencil ruler thumbtack and so on. ? Home: Remote control, sundries, change, headphones so on. ? Bathroom: Beauty products storage Wash. ? More: Computer back, glass, car, car window,car dash, desk, fridge, home front door. Package including: 6 Pack x Cell Phone Wallet (Black, White, Grey, Red, Pink, Blue) Any problem, please feel free to contact us.