This is a 15.6 in. anti-blue light privacy screen filter created for notebooks and laptops with 16:9 aspect ratio. The filter is matte on one side and glossy on the other with scratch resistant coating on both sides to prevent scratches and dust. The anti-blue light filter reduces blue-light exposure to decrease eye strain and damage over long periods. It also uses a magnetic tab at the top of the filter paired with magnetic strips to attach to the screen. The filter measures 344*205.5mm 0.45mm thick and has a privacy angle of 30 left and right. This anti-blue light magnetic privacy screen is perfect for all users who work and play off their laptops. These are environmentally friendly products that can be easily disinfected by any popular branded cleaning or alcohol wipes. Our filters are backed by a 1-year warranty.