Feature: 1. BLUE LIGHT BLOCKING: This computer screen protective film can filter harmful blue light with wavelengths between 380‑420nm, protecting your eyes and skin from damage caused by blue light. 2. FOR 24 INCH MONITOR: This screen film is compatible with 24 inch desktop computer screen. After cleaning the monitor, remove the film on both sides of the screen protector, and then stick it on. 3. PET MATERIAL: The computer monitor film is made of high transparency PET material, effectively preventing screen dust or scratch, suitable for student, game player, programmer, etc. 4. EYE PROTECTION: Advanced blue light blocking technology can protect your eyes without worrying about eye fatigue, blurred vision and headache, providing you with better sleep and health. 5. ULTRAVIOLET BLOCKING: The computer screen protector can also filter 99% of harmful ultraviolet rays, so that your eyes are free from the negative impact of excessive exposure to harmful light. Specification: Item Type: 24 Inch Screen Film Material: PET Product Size: 517.4 x 323.6mm / 20.4 x 12.7in (24 Inch). Package List: 1 x Protective Film1 x Dust Free Cloth2 x Adhesives12 x Double Sided Tapes