Durable 1″ anodized aluminum frame. Nine height adjustments in 1/2″ increments. Non-marring, non-slip rubber tips. Sturdy, durable, one-piece, blow-molded seat. Textured, non-slip seat with drain holes. Ergonomically shaped backrest snaps in and out easily without tools. Built-in soap dish and hand-held shower holders. 400 lb weight capacity. Lifetime limited warranty.