Blacks out screen image when viewed from the side to prevent prying eyes from reading your screen, while keeping a crystal clear screen image from straight-on view Protects screen from scratches and fingerprints and is easy to attach and remove TAA Compliant Reversible, matte side helps reduce glare and filter is compatible with touchscreen laptops and monitors Privacy filter fits widescreen monitors with a diagonal screen measurement of 23.8' (viewable area only) and a 16:9 aspect ratio Actual filter dimensions are 20-3/4' W x 11-11/16' H Supports compliance with privacy regulations including HIPAA