Welcome to the store! 1. BLUE LIGHT FILTERING: Laptop screen protectors filter harmful blue light with wavelengths between 380-420nm. Advanced blue light blocking technology protects your eyes, sleep, and skin from the negative effects of excessive blue light exposure. 2. UV FILTERING: Eye protection filter film for laptop screens filters 99% of harmful UV rays to reduce eye strain. Provides broad-spectrum HEV protection. Compatible with 14-inch (310x174mm) laptop screens. 3. DURABLE MATERIAL: The blue light blocking laptop screen protector is made of highly transparent PET to protect against screen dust and scratches. Ideal for students, office workers, gamers, and programmers at home or in the office. 4. EYE PROTECTION: The blue light blocking filter film for laptops allows you to enjoy your digital time without worrying about eye strain, blurred vision, and headaches. It promotes better sleep, acts as a blue light blocker for your eyes, and protects your health. 5. EASY TO INSTALL: The anti-UV eye protection filter film for laptops is very simple to install. After cleaning your monitor, just remove the film on both sides of the computer screen blue blocker and stick it on, ensuring no air bubbles. Item Type: Laptop Screen Protector Material: PET Size: 14 inches (310x174mm / 12.2x6.9 inches) 1 x Screen Protector 1 x Dust-free Cloth 3 x Adhesive Paper 1 x Cleaning Cloth 1 x Cardboard Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!