BATIGE Privacy Anti-spy Tempered Glass Screen Protector Anti-peeping Shield Guard for 4.7 inch iPhone 6 / 6S Visible Area of 90 degree,anti-spy, anti-peeping, protect your privacy. 9H Strong Hardness Anti-Scratch: tempered glass protector. The surface of the tempered glass has a hardness of 9H and 0.3mm thick, three times stronger than a regular screen protector film.Even objects such as knives and keys will not scratch the tempered glass. The tempered glass screen protector has a strong adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity. If broken, the Tempered Glass breaks into small pieces that are not sharp, making it safer than other glass products.