Ygs tempered glass screen protector is retina and hd super amoled compatible high quality screen protector for your smart phone improve the existing disadvantage of lcd protection film light penetration ratio 93.7% (Comparison: glasses 92%, general protective film 80%) 9h strong hardness anti scratch: three times stronger than a regular screen protector film. Anti-fingerprint and oleo phobic coated. 99% Uv protection: reduces eye strain caused by the lcd screen. Made from optical grade tempered glass with attaches smoothly and self-adhering surface for easy installation. Real touch sensitivity for a natural feel that provides flawless touch screen accuracy. Pre-cut to fit your screen exactly. Anti-bubble- it's very easy to install. No bubbles formed while installation. Caution: product must be installed in a dust-free environment; applying excessive force during installation or removal may damage the tempered? Glass. Phone models shown in the pictures are for illustration purpose only.