EZUP2619 Ultra-slim height adjustable sit/stand desk. Allows for comfortable transition from sitting and standing up to 15.9" Adjustable height standing desk workstation allows you to work sitting and standing throughout the day. Height adjustment allows a comfortable standing or sitting position. Just squeeze the side handle and go from sitting to standing in seconds. Product Features Perfect for laptops, notebooks, and tablets Fits most desks in any office or cube Ergonomic design that adjusts to most user's height Spring-assisted lift mechanism Switches from sitting to standing position in seconds