The Tempered Glass Screen Protector is made to protect thecellphone or tablets touch screen from scratches and reduce theopportunity of cracking .The entire surface of the Protector istransparent and the back side is covered with a strong siliconadhesive for easy installation .There is no gap between the touchscreen and the Protector after installed , so there is no impact onthe touch screen's sensitivity and clarity . Please follow the"install guide" in the package to install the protector.<br>