Tempered Glass Film Screen Protector for Apple iPhone 4S/ CDMA/ 4 LCD Tempered glass to protect screen of the device from shocks and scratches Tempered glass protector is made of chemical processed glass which has excellent window display oleophobic Coating:A.F.(anti-fingerprint) coated layer for resistance against smudges and fingerprints Surface hardness: 8-9H Slim chemical treatment processed tempered glass (thickness 0.4mm) A.S.F:Anti shattered film ( highly silicone coated) A.S.F:Anti shattered film ( highly silicone coated)