iPhone 8 Screen Protector, F-color Up to Anti Blue Light Ballistic Tempered Glass Screen Protector - Protect Eyes Retina Anti Glare, Anti Finger Print, Anti Shatter, Easy Install HD 2.5D Design for your Eyes' Health! Anti-Blue Light Filter Tempered Glass Screen Protector prevent your Eye Retina from eye fatigue causing by Blue Ray from cellphone screen. Assist you to have a better sleep since it could soften screen's light and comfort your eyes. Premium Thin 0.3mm 2.5D Round Edges Ballistic Tempered Glass Screen Protector Ultra 99% Transparent, 99% Accurate Touch Screen: Delicate Touch, Sensitive Response. (9H) High Hardness & Impact Resistance: the surface of tempered glass has a hardness of 9H, 3 times stronger than regular PET film. Anti-shatter Film: Won't be sharp even when broken in to small pieces, making it safer than other glass products.