v7 Privacy Filters Are Excellent For Open, High-traffic Environments Or Wherever On-screen Data Needs To Be Kept Private. Screen Data Is Visible Only To Persons Directly In Front Of The Monitor Without Blurring Or Distortion. The Filter Darkens On-screen Information When Viewed From The Side.the High-gloss Finish Sharpens Contrast And Helps To Protect Fragile Lcd Screens From Scratches And Damage. V7 Privacy Filters Are Easy To Attach And Remove, And Can Be Left In Place Even When Your Notebook Computer Is Closed. Sizes Are Available To Fit Most Laptop Computers And Desktop Displays.