About this item [Height Adjustable Standing Desk]: Height adjusted from 28.5' to 49.5', this ergonomic computer desk can cater to your varying needs. You can easily alter the rising desk height to switch between sitting and standing modes, which can alleviate your fatigue, neck pain, backache and obesity, leading to a healthier lifestyle. [3 Individual Platforms]: Featuring 3 platforms that can be adjusted separately, this sit to stand desk allows 2 people to use at the same time. Each board of the lower desktop has 180° adjustable board angle and adjustable assembly direction. Plus, an anti-skid strip on the tilted board will protect your laptop from sliding off. [4 Casters for Easy Movement]: Designed with 4 swivel wheels (2 locking) that features 360° rotation, the rolling standing desk allows you to move wherever you want. Moreover, 2 wheels are with brakes for enhanced stability, keeping the mobile desk workstation in position while you are working. [Heavy Duty & Stable Frame]: Ma