HD Transparent: Realistic picture and more than 99 % transparency Much higher transmittance than PET screen protector. Hardness: 9H, 3 times harder than PET screen protector. the screen will not get scratched even using hard object such as knives and keys. Easy to install: On backside 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. Anti-shatter: 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 scratches.Waterproof and oil-proof, Nano technology processing for Oleophobic coating, dirt thing can be cleaned very easily. Compatibility: Compatible only with Matebook E DRC-W58 12.6 Inch (released in 2022), not compatible with other devices, please check your tablet model before buying.