V7 Anti-Blue light and Anti-microbial filters are excellent for school students, and office workers to reduce eye strain. V7 Screen filters are made with 9H hardness for scratch resistance and it effectively protects the screen from daily scratches, accidental scrapes and fingerprints. Easily remove when not need and leaves no bubbles or residue. V7 Anti-blue and Anti-microbial Filters are easy to attach with sizes available to fit most laptop displays.