Nano technology: Nano sized suction cups enables the phone to stick on any smooth flat surface, such as mirror, screen, wood, white board, and metal, ceramic tile and it never leaves a mark on anything you stick. Do NOT stick it on a place which is not flat or have rough surface, such as painted walls, trees, sofa, bumpy and dusty surfaces. Multi function: Works perfectly for going handsfree while taking selfies, navigation for driving, cooking, Skyping, recording vlogs, watching YouTube videos, and etc. Excellent Protection: Protect your phone from scratches, bumps Oil, Dust and other daily damage Perfect Fit: Exclusively designed for and Perfect Fit with the Apple iPhone 11, Access to all the controls and features; Perfect cutouts for speakers, camera and other ports. easy to install and take off. How to use: Stick the case to a flat surface, make sure you wipe the surface clean and dust free; Stick the case on the surface and push out any air that might be trapped inside, hold on for 1-2 seconds.