The anti-blue function effectively blocks damage of blue light to the eyes and protect your eyesight.Made of high-quality KMTC aluminum-silicon material, it has good shatter-proof perfomance and prevents screen breakage effectively. Slik screen printed full screen binding design for tight fit and comprehensive protection. 0.2mm in thickness, high clearness and high transparency, displaying clear and high-definition images.Automatic binding, easy to use, and fast sticking.