The Columbia Toilet Support, models 4700 and 4800, is a high-backed toilet support designed to provide head and trunk support for children and adults with balance disabilities. The unit has a full-length, height adjustable, high-impact ABS plastic back and a harness with a safety buckle. The support bolts directly to the toilet and the children's model, model 4700, includes a seat reducer ring. Model 4800, the adult model, sits 4 inches further back on the toilet seat than model 4700. OPTIONS: A footrest/armrest unit and padded support cushions are available. DIMENSIONS: The back is 14.5 inches wide and height- adjustable from 16 to 24 inches. COLOR: White. WARRANTY: One year full warranty against defects.