Officestar Deluxe Mesh Managers Chair Deluxe Mesh Managers Chair •One touch pneaumatic seat height adjustment •2-to-1 synchro tilt with adjustable tilt tension •Height adjustable angled arms with soft arm pads •Heavy duty nylon angled base with oversized carpet casters •Manufacturer's limited lifetime warranty Seat: 21w x 21d. Back: 21-1/4w x 23h Overall Height: 45-1/2" Seat: 21w x 21d. Back: 21-1/4w x 23h Overall Height: 45-1/2"