Brand: Trybest Compatible Devices: Laptops Material: Plastic Item Hardness: 3H Product Dimensions: 29.4 cm length x 16.8 cm width Features: Stain-resistant, Anti-reflective, Privacy protection, Scratch-resistant, Anti-glare 【Compatible Devices】Only suitable for laptops whose displayable image area meets the following parameters. Please measure and confirm 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 a magnetic attraction design process, simply bring it close to the screen and gently press, and it will automatically absorb, completing the installation. Comes with a screen protector storage clip, which can be removed and placed in the storage clip when not in use, and stored in a computer bag along with the laptop. It can be attached and detached anytime, anywhere, and everything is very easy. 【Amazing Privacy Protection】The laptop privacy screen angle has been corrected over 5000 times, and can filter the view from 30° to the left and right of the laptop, ensuring that your computer data is not peeped at or exposed in public places. Note: The 13.3-inch screen protector prevents viewing from the left and right, but does not prevent viewing from the front, no matter how far away. 【Double-Sided Use】Glossy/Matte - The surface is coated with AG (anti-glare) coating to reduce reflection and glare. The other side has a clear, glossy clear coating, allowing you to choose your preferred side to use. 【Blue Light Cut & Reflection Reduction】Blue light cut rate: 49% UV cut rate: 99.9%. → Blue light is the blue light emitted by the display, and it is said that excessive exposure may not be absorbed by the lens and cornea, causing a decline in the function of the retina.