A folding frame with one piece plastic seat and padded back rest for comfort. Legs are height adjustable and the seat has a cut away for personal hygiene. Seat height 435 to 560mm (17 to 22'). Rail height 620 to 745mm (241/2 to 291/4'). Width 500mm (191/2'). Depth 420mm (161/2'). Weight 5.1kg.