***** **********Best Quality Guranteed. *****Filter out Blue Light and relieve computer eye strain to help you sleep better*****Actual Screen Protector dimensions are 13.3 inch measured diagonally. 11.3 inch width x 7.05 inch high. *****blue light blockage (380nm-490nm)*****Easy to apply and remove. This package includes 3 screen protectors and an installation kit. *****Protects screen against scratches