The surface of the screen protector has a hardness of 9H, three times stronger than a regular screen protector film. Even objects such as knives and keys will not scratch them. In case of fall, it does not shatter into plenty of dangerous little pieces; the Anti-crash structure kept it highest level of safety and durability; Ultra-thin feeling, 100% precision, and sensitivity to touch. automatic exhaust. no bubbles; Perfect touch responsiveness kept either while the dynamic game or casual browsing of messages, Super clear.