Designed Exclusively For Surface, The Mag Pro Elite Magnetic Privacy Screen For Surface Laptop 3 15" Seamlessly And Easily Attaches To The Surface Laptop'S Magnetic Frame, Helping To Protect Your Privacy Without Any Mess Or Fuss.Reversible Screen Offers A Matte Finish, Great For Touch Screen Use; And A Glossy Finish For A Clearer View. Protects Privacy By Limiting Viewing Angle To +/- 30 Degrees. Reduces Harmful Blue Light By Up To 22%, Diminishes Glare, & Improves Clarity.