Features: Made Of Aluminum Alloy Material, Lightweight And Durable. Water Proof PU Material Backrest With Thicken Sponge.Seat With Removable Commode, It Can Solve The Problem That People Defecate.Equipped With Wear And Durable Foot Pad, Which Can Be Used Securely. Five-speed Height Adjustment: 10cm Flexible Adjustmentrange, Can Meet The Needs Of Different Heights.