Deluxe high back executive chair designed for 24 hour use Sculpted generously proportioned back with adjustable headrest promotes good posture Waterfall edge seat design alleviates pressure on knees and lower legs Features gas height adjustment, weight tension control with back rake and height adjustment Also features independent seat tilt, seat slide and adjustable lumbar support Supplied with fully adjustable arms Chrome 5 star base with twin wheel castors Black colour 2 year warranty