Item Type: Computer Screen ProtectorMaterial: PETProduct Size: Approx. 23 InchesAspect Ratio: Approx. (16:9) 509 x 286mm / 20.0 x 11.3in ( Manual Measurement, Slight Error May Exist ) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 123 Inch: This computer screen protector is 23 inch and 16:9. Please verify your computer screen's width and height measurements in advance. 2Viewing Angle Limits: The screen contents are not visible when looking at it from an angle (the angle is about 30 degrees to 60 degrees). And info can be only seen by persons directly in front of the monitor. 3Eye Protection: This wide screen protector features 96% UV and 65% blue lights blocking, effectively protecting your eyes. One side features anti glare function, and the other side presents clearer images. 42 Installation Options: This desktop screen filter supports snap in installation and double sided tape sticking., 5Wide Application: This computer screen filter is suitable for offices, coffee shops, airports, airplanes, trains and other public places.