*material: three-layer(PET material layer;composite silicon layer; electrostatic layer) ultra clear. *anti-scratch;anti-dust;anti-fingerprint;anti-grease;anti-UV; anti-reflection; anti-bubbles. *hard coating(3~ 4H) gives longer lasting protection against scratches. *high transparency make screen clear and original colors in well-showing. *electrostatic adsorption technique. *prefect size for the screen. *easy installation & firmly on the screen. *removal without residual mark. *washable and reusable.