Designed and developed thru extensive research and input from occupational therapists and healthcare professionals. Comfortable backrest and compact size combined with heavy weight capacity. No metal parts to rust or corrode and disassembles easily for travel. Adjustable height from 18' to 23". 29 3/4"W x 19"D x 33"H. Weighs 14 1/2 Lbs. 400Lb weight capacity.