1.Package Edge:Protect the Screen by 0.5MM Above the Screen,Prevent Screen Breaking. Had PC material,comprehensive protection,anti-break screen. 2.Wrapped Process: Layers,360 degree Protection,Fall Resisatant.Profect. Uneven edge,that is beautiful Also non-slip,better grip. 3.Inner surface of a dot: Special dot texture on the inner wall,waterproof fog,heat disipation. The case is 02mm above the camera