Privacy Filters are designed to allow the person directly in front of the screen/monitor to view its content without blurring or distortionThe filter darkens on-screenrmation when viewed from various angles keeping confidentialrmation privateMatte side reduces glare (anti-glare) while the high-gloss finish sharpens contrast and improves clarity and colorPrivacy filters are easy to install protects the fragile LCD screen from scratches and damageFilters may be left in place when the notebook puter is closedFilters are reversible18.7" W x 11.7" L