Improves Posture: This adjustable leaning chair is best with a standing desk, giving you the benefits of standing and the relief of sitting. Note: You will use different muscles than normal, so acclimate yourself by changing positions during the dayHeight Adjustment: Change the height while seated with the pneumatic spring mechanism for smooth and fast transitions (Adjustment Range: 24” to 46.3”). Use either the hand lever or foot pedal to change the heightErgonomic Seat: The 16” x 16” seat features a curved edge for optimal spine alignment and supports a weight capacity of 275 lbsAnti-Fatigue Mat: Enjoy all-day foot comfort with the anti-fatigue foam mat, relieving your feet, back, and legs from muscle strain and tensionEasy Assembly: All hardware and instructions are provided for a simple assembly process. Just attach the column to the base, insert the lever support, install the seat and foot mat, and it’s ready to go