Copter Exoglass is made of high quality glass, providing extraordinary protection while retaining perfect screen clarity and touch responsiveness. When it comes to protecting touchscreens, nothing tops the feeling and clearness of glass. Copter Exoglass is made from a special chemically tempered glass and has technical hardness rating compared to steel. Treated with oleophobic coating that prevents fingerprints and makes it easy to clean. The ultimate protection while retaining perfect screen clarity and touch screen responsiveness.