Check the listing for details. 13-13.5 inch Laptop Blue Light Blocking Screen Protector Anti-UV Eye Protection. Color: Blue, Condition: New. Listed at 24.69 USD. MOSISO 13-13.5 inch Laptop Blue Light Blocking Screen Protector Anti-UV Eye Protection Filter Film for Diagonal 13, 13.3, 13.5 inch 16:9 Widescreen Notebook LED Monitor Panel(11.89 x 7.83 inch/L x W) Product Description: Dimension: 11.89 x 7.83 inch/L x W===30.20 cm x 19.88cm . Universally fit diagonal 13, 13.3, 13.5 inch 16:9 widescreen notebook computer LED monitor panel. Protects your eyes by filtering and curbing 99% harmful UV. Anti-blue light between 420nm - 460nm can be reduced by 45% for HEV protection. Ultra thin to 0.01 inch of 95% clear transparency, which will not darken your laptop screen, keeping the original screen brightness. Perfectly works in office / home for OL, gamer and programmer. Easy to install, just remove the sticker on each side and hang on the monitor screen. 1 year warranty on every screen protector.