Thank you for viewing. I am selling this because I realized I bought the wrong size and replaced it. It was only used once after opening. Free shipping, instant purchase OK. Thank you. ◾︎Product Description Trybest 13.3 inch 16:9 Magnetic Privacy Screen Filter, Removable Blue Light Cut Anti-Glare Screen Filter, Privacy Filter, LCD Protection Film, Blue Light Cut, Anti-Reflection, Double-Sided Use, Easy to Attach and Detach Like New (Only Opened) 【Compatible Devices】 Only suitable for laptops whose displayable image area meets the following parameters. Please measure and confirm the value of the displayable image area of your laptop screen before ordering. Width: 294mm, Height: 168mm, Diagonal: 13.3 inches (337.8mm). Compatible with HP, Lenovo, Dell, Acer, Asus, Samsung, Envy, Toshiba, and other 13.3-inch 16:9 aspect ratio laptop brands. 【Easy to Install and Remove】 With the magnetic attraction design process, just bring it close to the screen and gently press it, and it will automatically absorb, completing the installation. A screen protector storage clip is included, and when not in use, you can remove it and put it in the storage clip, and store it in your computer bag along with your laptop. You can attach and detach it anytime, anywhere, and everything is very easy. 【Amazing Privacy Protection】 We have corrected the angle of the laptop privacy screen over 5000 times, and it can filter the view from 30° outside the left and right sides of the laptop, ensuring that your computer data is not peeped at or disclosed in public places. Note: The 13.3-inch screen protector prevents viewing from the left and right sides, but it does not prevent viewing from the front, no matter how far away you are. 【Double-Sided Use】 Glossy/Non-Glossy - The surface is coated with AG (anti-glare) coating to reduce reflections and glare. The other side has a glossy clear coating for clear visibility, allowing you to choose your preferred side to use.