Description -Anti Gravity Phone case Sticks on wood, glass, whiteboard, metal, monitor etc. Great for taking selfies! Don't have to ask other people anymore!*If back of the case has too many dust, it will affect the ability to stick on things) How to use? Remove packaging Place mobile device into the phone case Remove plastic protector off the Nano suction material (back of phone case)Ready to use How to clean the Nano tech phone case? Remove mobile device from the phone case Gently apply WATER and swipe back of phone case with your finger. Let phone case dry .It is ready to use again. Model iPhone - 6/6siPhone 6 Plus/6s Plus iPhone 7 / 8iPhone 7 Plus / 8 Plus iPhone X / XS iPhone XS Max iPhone XR iPhone 11 (6.1 inch) iPhone 11 Pro (5.8 inch) Clean: This case is self-heals and temperature resistant. its adhesion force would drops after a period of use as the case back would be dirty, but the nano-suction material cleans up easily with a damp cloth, simply wipe down your case with a little bit of water or any other cleaning solution. Package Includes: 1 x Case. Accessory only.