High-tension 9H tempered glass construction for enhanced shock protection The screen protector is made from reinforced tempered glass with a 9H hardness that maintains perfect image clarity while protecting your phone's screen from scratches and external shock, as well as keeping it free from fingerprints. Ultra clear protector with a 95% light penetration ratio The tempered glass screen protector won't diminish the sharpness or brightness of your phone’s display. This glass screen protector is ultra clear and has a 95% light penetration ratio, compared to plastic screen protectors that generally have an 80% light penetration ratio. 0.33mm thickness adds minimal bulk to your phone Despite offering great screen protection for your phone, the glass is only 0.33mm thick. This means it only adds an almost imperceptible amount of extra thickness to your phone, so you can be sure it is safe from harm while looking as good as new. You can also be certain that your screen will be as touch sensitive as ever. Easy installation with no risk of bubbles As this is a high quality glass screen protector and not a film, it does not bubble at all on application.