Designed To Fit Past And Current Models Of The Microsoft 13.5-Inch Surface Book/Surface Laptop - Privacy Filter Darkens Screen To Protect Sensitive Data; Clear Viewing Angle Of 60 (+/-30 ) - Filter Won'T Interfere With Webcams/Sensors/Closing The Lid; Touchscreen Enabled - Reduce Eye Strain By Blocking Up To 51% Of Blue Light; Reversible Laptop Computer Privacy Screen With Anti-Glare Matte Sides - Light Transmittance Close To 60% - Attach The Monitor Privacy Shield With Included Mounting Tabs