Deluxe, K.D. Aluminum Shower chair with back features Easy tool-free assembly of back, seat and legs. Drainage holes in seat reduce slipping. Aluminum frame is lightweight, durable and corrosion proof. Height adjustable, angled legs with suction style tips provide additional stability. Support collar prevents leg movement. Height adjusts 15.75-19.75". Weight capacity is 300 lb. Case of 4.