Features:
Warning:
1.there is a protective film on the back for new case, please note to ear it off!
2.The best performance place designed for this nano-suction case is "Glass" "Mirror""Ceramic tiles".
3.sometimes it could stick on some metal,wood,plastic smooth surface....but can't guarantee all of them would work. for example, some metal wire-drawing surface, frosted glass, frosted board,rough wood....etc, it can't stick. these "smooth" surface have much small gap which can't be seen with human eyes. 
The Anti-Gravity Case could protect your phone against scratches, but most amazing, "Sticks" to most smooth, flat surfaces without being sticky
Nano-suction technology Anti-Gravity case:
nano-suction technology means that there is millions of nano-scale tiny sucker on the case back, so it could stick on smooth surface such as glass,mirror,ceramic tiles,metal with adsorption manner. 
you can stick your case to: 
- Mirrors
-Windows
-Kitchen Cabinets
-Tile
-Whiteboards
-Metal
-smooth, flat, non-porous surfaces
You can also: 
-Keep recipes at eye level by sticking your phone case to your kitchen cabinets while cooking.
-Watch Video with your phone on the mirror in the morning. 
-Stick your phone right on your computer screen while you're working. (as test, some LED computer don't work because too soft, Apple Mac could work)
-Let your kids watch a video together with the phone case stuck to a near-by surface. 
-Stick your phone to a smooth, flat surface in your car for hands-free use. 
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.

• Material:PC+TPU, Protect your iPhone 7 case from scratch and shock.
• Can Stick to glass, mirrors, whiteboards, metal, kitchen cabinets or tile, car GPS, and most smooth, flat surfaces.
• Nano-meter washable micro-suction back,The case Sticks without being sticky.
• Works perfectly with all phone functions including gps, wifi, apple pay, 4G, NFC, Bluetooth. Simple-press buttons allow you to feel the click and large openings for cable and charger ports
• Note: 1. Tearing the film before using it. 2. If the sticky part got dirty and not able to stick on the surface, you can wipe it with clear water, and it will be sticky again 3. Please Clear the surface where you want to stick on and extruding the phone case on it, make sure it is tight stick and then loosen you hand.

Material:PC+TPU, Protect your iPhone 7 case from scratch and shock.Easyscooter