[2 Piece] for Huawei Mate 9 Screen Protector Tempered Glass Film Ultra Thin Guard, 9H Hardness, 99.9% Light Transmission, Scratch Proof, Anti-burst, Bubble-Free, Easy Install

Also known as toughened glass, tempered glass is 4 to 5X stronger than normal glass and is made by heating glass and then cooling it very quickly, after which it is further chemically strengthened by a surface finishing process. Unlike traditional plastic screen protectors, tempered glass helps absorb impact from drops, leaving the phone screen below intact. Simply remove the broken glass screen protector and replace with a new one—a worthwhile investment since broken phone screens are expensive to repair.

This is a guide about glass film installation Step 1. Keep your hands clean before peel the No.1 layer off the film. Step 2. Align the film with your phone screen sides. Step 3. Carefully put the ADHESIVE PART on phone screen from the left side to right.