3-in-1 Mobile Rolling Chair Wheelchair Commode Bedside Toilet Chair Shower ChairWheelchair function: This is a simple and practical wheelchair. It has 4 universal casters with diameters of 3. 9inch (10cm). The casters are hard, non deformable and durable. Defecation function: There is a 9inch*10. 23inch removable padded hole in the middle of the seat cushion. And there is a detachable bucket with capacity of 5. 7L below the seat cushion, which is convenient for the elderly or disabled people to defecate. Toilet function: we can