Feature: 1. Reduces Eye Strain: Reduce eye strain and associated discomfort by reducing your exposure to UV and blue light. Our blue light blocking screen protector filters out up to 61% of blue light and up to 99% of UV light to help minimize eye fatigue. 2. Blocks Blue Light, UV Light: 5 layer design of our blue light filter reduces the effects of blue light waves from 420‑460 nanometers. An optically transparent adhesive layer and transmittance of at least 85% ensure image clarity without pixelation. 3. Compatible: Fits screen sizes of 23in diagonally measured, widescreen display with a 16:9 aspect ratio. Size is 509x286mm. This versatile blue light protector for computer screen is engineered to be ideally compatible for most brands. 4. Protects Your Screen: Extend longevity by protecting your screen from scratches and dirt. Acting as an outer layer on your screen, our computer screen protector keeps it no dust. It comes with its own soft microfiber cleaning wipe. 5. Easy Installation: Our removable blue light screen protector is designed for a snug fit, requiring no messy tape or complex installation procedures. Enjoy the convenience of removing or reattaching our blue light blocking screen protector whenever needed. Specification: Item Type: Computer Blue Light Blocking Screen Protector Material: PET Size: 23 Inch Aspect Ratio: 16:9 Product Size: Approx. 509x286mm / 20.0x11.3in Function: Anti Blue Light, Static Adsorption, Anti Glare, and Chlorophyll Protecting Pupils. Package List: 1 * Computer Blue Light Blocking Screen Protector1 * Tool Kit