Tempered glass are light weight and with 0.3mm with curved smooth edges (2.5d). Tempered glass helps protect your screen from damaging. The glass is chemically treated at our state of art facility. We make sure you get the best quality product. The tempered glass is tested multiple times before it is dispatched. Surface hardness the 9h hardness can effectively protect your screen from scratches and external shocks. Anti-shatter film if broken, the tempered glass breaks into small spieces that are not sharp,making it more safer for users. Nano coating the nano coating can prevent fingerprints or other stains,and make the film easy to clean.