This is a 13.3-inch, 16:9 anti-peep filter. It is magnetic (magnets included). It also cuts blue light, allowing for comfortable work even for extended periods. The front side is anti-glare (anti-reflection), and the back side is glossy, allowing you to choose which side to use based on your preference. There are scratches, please check the images (images 2-4). ● Compatible models: 13.3-inch, 16:9 aspect ratio computers (Standard screen size: 294mm x 167mm) (Vertical/horizontal variance: +/-1mm)