Lxcan Mirror Tempered Glass Screen Protector Film for Iphone 6 4.7" 5.5"+premium Microfiber Cleaning Cloth (5.5inch BLUE) Surface hardness of 9H and 0.3mm thickness, stronger than a regular protector If broken,the tempered glass breaks into small spiecesthat are not sharp,making it more safer for users The Self-adhesive silicone can touch on the screen smoothly.It makes the installation easy and is more sensitive for operation Made of chemical processed real glass, which has excellent window display The tempered glass is only 0.3mm thick which has excellent light transmittance