Height adjusts from 18”-24” in one inch increments.. Back reverses without tools. Measurements: 27 1/2” W (outside legs) X 16 1/2” D (outside legs). Seat measures 24” W X 16” D. Can support up to 300 lbs. HG We regret that for health reasons, we are unable to accept exchanges or returns of hygiene, dining and bathing products. Products which are labled with this sign HG are included.