Enjoy comfort while you work at your desk with the ProLine II mesh office chair from Office Star Products. A padded seat and mesh back provide comfortable seating and the pneumatic base lets you easily adjust chair height and back angle. Dual-wheel carpet casters let you freely move on any surface.Breathable Air Mist mesh back with FreeFlex II fabric seat 2-to-1 synchro tilt control with adjustable tilt tensionOne-touch pneumatic seat height adjustmentHeight adjustable armsRatchet back height adjustmentHeavy duty nylon base with dual wheel carpet castersAssembled Dimensions: 26.81 inches wide x 24.13 inches deep x 42.44 inches highAssembled Height Range: 36.31 - 42.44 inches highSeat Dimensions: 20.25 inches wide x 19 inches deep x 3.38 inches thickSeat Height Range: 19.06 - 22.63 inchesBack Dimensions: 19 inches wide x 18.38 inches thickWeight Capacity: 250 pounds