Extend Monitor Longevity by protecting your screen from scratches and dirt. Acting as an outer layer on your monitor, our computer screen protector keeps it free of dust. Doubles As Screen & Eye Protector -- Protects your eyes by filtering out 96% UV and curbing blue light by 65%. It’s a reversible privacy screen filter, giving you the flexibility to choose glossy or matte finish – Choose the matte to reduce external glare