Multi functional arms height and side adjustable multi postion arm pads to help prevent rsi seat slide contoured foam chrome base twin lever fully ajustable lumbar 247 posture chair approved by a uk chiropractic doctor measurements seat width ndash 500mmseat depth ndash 520mmseat height ndash 460 550mmoverall width ndash 670mmoverall depth ndash 690mmoverall height ndash 1020mmarm height ndash 700mmback height ndash 500mmback width ndash 485mm