?Worry-Free 30 Days? You can get a screen protector. Please contact us if you have any questions, our customer service team will communicate with you and deal with your problems. ?Anti Scratch & Easy Clean? Anti Scratch & Easy Clean: This 9H hardness tempered glass enhances its impact resistance, effectively protecting your device from scratches by keys, knives, and other stiff items. The smooth surface makes it easy to clean the dirt with one wipe. ?Easy Installation Without Air Bubbles? After the tempered glass film is aligned, gently press and slide in the middle of the screen, and the screen protector will be automatically adsorbed on the screen. It is recommended to refer to the protector instruction video in the description before applying the screen protector. ?Ultra Thin & HD Clear? 0.25mm thickness achieved 99.9% transmittance, which allows you to enjoy a natural viewing experience while still preserving the original screen brightness, you won't even notice it's there. ?Fit for Most 15.6" Laptops Monitor? This universal 15.6in glass screen protector dimensions(WxH) is 13.6in (345mm)x 7.6in (194mm). Compatible with Diagonal 15.6in with Aspect Ratio 16:9 laptop. Please measure the screen as image 2 before purchg.