Adjustable height standing desk workstation allows you to work sitting or standing throughout the day. height adjustment allows a comfortable standing or sitting position. just squeeze the side handles and go from sitting to standing in seconds. product features perfect for laptops, notebooks, tablets. fits most desks in any office or cube ergonomic design that adjusts to most user's height. spring-assisted and fas lift mechanism. switches from sitting to standing position in seconds. built in keyboard trap. easy set-up.