StilGut Tempered Glass Screen Protector (Front and Back) for Sony Xperia Z3 + (Z3 Plus, Z4) Tempered glass - front and back - for Sony Xperia Z3+ (Z3Plus), only 0.33 mm thick: maintains the original touch and transparency The hardness of 9 H means: extremely resistant against scratches. Peaks of sharp objects cannot damage the surface Anti-fingerprint oleophobic surface Comfortable sensitive touch: one side of the protection is composed of resisting silicon adhesive surface and can be immediately attached to your display and the back Made to protect you and your device - if it does break, the tempered glass breaks into small pieces sticking together