VARIDESK &ndash; Height Adjustable Standing Desk &ndash; Stand Up Desk for One Monitor &ndash; Pro 30 The VARIDESK Single desktop standing desk is a standing desk that sits on top of your existing furniture. Fits most desks and cubicles. Allows you to alternate between sitting and standing in just 3 seconds - much faster than other solutions. Easily lift up to 35lbs, height adjustable to 11 different heights. Footprint size: 3" wide by 26.75" deep by 5" (flat) or 15.5" (fully extended). Single unitary surface also makes a great writing surface. Sliding keyboard tray for use while sitting. Ships fully assembled and sets up in minutes. Free companion app for desktop or iPhone/Android counts calories and helps comfortably ease you into standing. Adjusts upward to a height of 15.5&#034; Perfect for single monitors Work surface measures 30&#034; wide x 23&#034; deep Keyboard surface measures 30&#034; wide x 13&#034; deep Holds up to 20 lbs. of weight Product Weight - 41.8 lbs Product Dimensions Flat (Inches)- 5&#034;(h)*30&#034;(w)*27&#034;(d) Product Dimensions Extended(Inches)- 15.5&#034;(h)*30&#034;(w)*31.5&#034;(d)