VARIDESK will Change the Way You Work! This height-adjustable desk sits on top of your existing desk and allows you to work comfortably from either a sitting or standing position. The Pro Plus 30 is sized to accommodate those with single monitor setups or those with limited space. The two-tiered design with separate keyboard/mouse deck gives you plenty of room for basics and accessories with the added convenience of never having to move any components when raising or lowering. Like all VARIDESK models, the Pro Plus 30 features our patented, spring-assisted lift mechanism that allows you to raise and lower it almost effortlessly in just seconds. It can hold up to 35 lbs (15.8 kg). with ease and stays sturdy and stable even at its fully extended height. It comes fully assembled and ready to use – just place it on top of your desk and you are ready to work! Improve your health, energy and productivity with VARIDESK!