Dimension: 17.32 x 11.42 inch/L x W. Compatible with Thinlerain 19 inch Computer Monitor; compatible with Dragolftie 19 inch PC Desktop Monitor 1440x900; compatible with Acer K202Q bi 19.5 inch and other monitor measured 19, 19.5 inch 16:9 widescreen desktop PC LED monitor. Please measure your modiagonal dimension before purchase. ^^ Protects your eyes by filtering and curbing 99% harmful UV. Anti-blue light between 420nm - 460nm can be reduced by 45% for HEV protection. Effectively reduce eye strain and fatigue caused by the UV and blue light. ^^ Made of Acrylic. It can effectively prevent screen from dust, fingerprint and scratches. Suitable for office / home OL, gamer and programmer. ^^ Ultra thin to 0.05 inch of 95% clear transparency, which will not darken your laptop screen, keeping the original screen brightness. ^^ Easy to install, just remove the surface film on each side and hang on the monitor screen.