Superior Hardness, Made From Synthetic Sapphire,Extremely Anti-Scratch. Preserves Original Display,Increases Transmittance To 92%, With Anti-Reflection Coating. Waterproof And Stain-Resistant, Delicate Plating Process Provides A Smooth Touch Feeling And Reduces Stains And Dirt. Seamlessly Fit, Only 0.25 Mm Thin,Compatible With All Cases. Easy To Install With Our Specially Designed Positioning Tools.