Provides clear viewing angle of 60 (+/-30 ); Computer privacy screen protector blacks out the display of a 25-inch 16:9 monitor to protect sensitive data - Improve visual comfort by blocking blue light - Dimensions 21.8x12.3-inch - Reversible privacy filter with anti-glare matte and high-gloss sides - Privacy shield features an additional coating to protect against scratches and fingerprints - Transparent adhesive strips and side mounting tabs are included for installation.