iKNOWTECH&reg; 100% Genuine FRONT + BACK Tempered Glass Screen Protector For Sony Xperia Z3+ Z3 Plus(Z4) This high quality tempered glass screen protector is only design for for Sony Xperia Z3+ (Z3 Plus) / Sony Z4 Tempered glass screen protector is made of chemical processed glass, which has excellent window display, high sensitivity and comfortable touch feeling If broken, the glass breaks up into small pieces for safety, exactly the same as car windscreen. It has a surface hardness of 9H so even sharp objects like knife and key will not scratch the glass. Improve the existing disadvantage of LCD Protection Film; Anti-Fingerprint, Oleophobic Coated, Explosion-proof Dry Application: Easy to install and remove