Fits widescreen notebook computers with a diagonally measured 15.6'' viewing screen Designed for widescreen laptop computers with screens that appear more rectangular than square Helps keep confidential and private information safe Utilizes 3M's microlouver privacy technology so only persons directly in front of the monitor can see the image on screen Passersby see only a dark screen making this filter excellent for high traffic areas Reversible for either glossy or matte screen finish Helps to protect your LCD panel from scratches and abrasions Easy on easy off attachment system