Screen Guard Protection This quick and easy to install. It has an anti-Dust protection which surrounds the screen to prevent dust as well as reducing UV sun light caused by reflected light, protecting your eyes and screen. It helps to prevent your screen from scrapes and scratches, and helps to improve handwriting recognition for an easier use. The non-adhesive back will not leave sticky residue which can ruin your screen when the product is removed. Use the cleaning cloth to clean the screen before and after applying protector provided inside the packet.