1. Ultra-clear: optical grade light transmittance, ultra-low reflectivity and high air permeability. 2. Anti-fingerprint: Surface polymer anti-fingerprint treatment. 3. Coverage: fit the real machine and cover in place. 4. Smooth touch: Eliminate the touch of ordinary film, smoother feel and touch. 5. Simple and easy to stick: as long as the hole is pasted, it will automatically absorb and evacuate the air inside.