This screen protector is designed to fit 21.5 inch widescreen monitors with a standard 16:9 aspect ratio. Whether your monitor is curved or flat, this easy to apply film will help protect its surface from scratches and fingerprints. In addition to safeguarding your display, it also features an anti blue light filter to reduce eye strain caused by prolonged screen time. By blocking high energy visible light, it helps promote eye health and comfort while working or browsing. The transparent PET material maintains the monitor's picture quality without distorting colors. Simple to position and remove without leaving residue, it's a convenient way to shield monitors from everyday wear and tear.