Steel Folding Commode with 4" swivel castors . Made of 1" tube with chromed plated finish . Back & seat of blow - molded high-density polyethylene plastic for cleaning . Full length plastic armrest for comfortable . Four reinforced rubber tips for safety . Seat height adjustable . Folding design for easy storage and carry Specification . Width :18" (46cm) . Adj. Height : 16" - 20" (41-51cm) . Option : Power Coated (APC-7100-2) 4 Swivel casters(APC-7100-1)