Ultra-thin glass(T≈0.2mm) can be treated by toughening under high temperature of 420.
Fully transparent: chemically treated transparent tempered glass.
Full bonding, automatic adsorption can be repeated bonded.
Surface hardness: 9H,3 times harder than PET screen protector. the screen will not get scratched even using hard object such as knives and keys.
Delicate touch: On the back side of glass coated with a strong silicone layer to make installation easily and attached screen tightly so as to not affect sensitivity of touch screen.
Surface is anti-oil processing (Oleophobic coating), so fingerprints and oil is not easy to stay surface and it is easy to clean.  
Explosion-proof, shatter-resistant glass breaks into small pieces ,more secure than other glass products,and the glass screen protector will not broken into small piece with sharp edge.It still keeps a whole piece of screen protector to protect your phone screen against scratched.
Ultra clear edging craft and Whole transaprency:Realistic picture and more than 99% transparency Much higher transmittance than PET screen protector.
Fingerprint-resistant: It makes your mobile phone screen looks clean.