Retro Acrylic Hydraulic Lift Adjustable Height Swivel Office Desk Chair Clear (2804) Swivel Seat with Hydraulic Lift and rolling wheels, Made of High Quality Acrylic. Seat Height: 15" - 21" , Seat Depth: 20.6" , Seat Width: 26" Weight Limit for Normal usage 200 Pounds These Fashion Chic Acrylic chairs are not designed for long time sitting or reclining.