[After Sale Service] Refer to the instructions for the installation. Clean the screen and ensure it is dust-free, align the product to screen, gently press over on the frame to remove the bubbles and let the silicone adhered to the frame. in case of any question or problem, please contact the seller without any hesitation to solve until satisfaction. We provide 100% no risk, worry-free after sale service for all FILMEXT Screen Protector. [What's in Box]: Macbook pro 16 inch 2019-2020 Anti-blue light filter ×1pcs, microfiber cleaning cloth×1pcs, installation cleaning kit×1set. Blue light screen protector installation Guide×1pcs. Blue light screen protector laptop workable for short-sighted people, students, office workers, social media addicts, online gamers, fashion lovers, etc. [Compatibility]: FILMEXT Macbook pro screen protector 16 inch 2019-2020 compatible MacBook Pro 16 inch 2019-2020 model A2141.(Note: NOT FOR MACBOOK PRO 16.2" 2021 A2485.). [Eye Protection & Reduce Eyestrain] by preventing the injurious blue ray,Macbook pro 16 inch 2019 2020 blue light screen protector can protect the eyes from computer/ macbook laptop visual syndrome (eyes losing focus, vision getting unclear, fatigue, ophthalmic acid, bulging, headache, etc.).High quality for lasting durability and will protect your eyes from UV rays; 2019 mac pro 16 inch Anti-glare, anti-fatigue, anti-jet lag blue blocker screen protector Maintains color fidelity Perfect. [Bubble Free Installation]: The latest black frame silicone seal design, easy to install and remove, 100% bubble-free. The blue screen protector for computer macbook pro 16 inch 2020 with fingerprint resistance, and excellent touching sensibility. [69.7% Blue Light Blocking Filter] :for Macbook pro 16 inch 2019-2020 release (Model A2141) 69.7% blue light blocking filter blocks the harmful blue light between 380nm~495nm from the wave range of visible lights, blue light reaches the retina with strong energy. This filter reduces digital eye strain when viewing screens and gives you a better sleeping.