Samsung Galaxy S7 Case, AnsTOP Anti Gravity Selfie Magical Sticky Cover, Hands Free Nano Suction Stick to Glass, Tile, Car GPS, Most Smooth Surface for Samsung Galaxy S7 Note: The stickness will become week if too much dust accumulates on the surface. You can flush and clean it with clear water, then the cover will be sticky once again. NANO SUCTION TECHNOLOGY: The item can 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. EASY ACCESS: 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. Magical sticky selfie case: You can stick to any smooth places you want . You can use this case while cooking, training in the gym, dress up while watching the michellephan etc. Note: The stickness will become week if too much dust accumulates on the surface. You can flush and clean it with clear water, then the cover will be sticky once again.