The Pediatric Ball Chair is a posture chair designed for use by children with physical or neurological disabilities. This chair is designed to promote dynamic active sitting to strengthen a child's back and help his/her posture. The chair consists of a frame, with a back rest, that holds a therapy ball as the seat of the chair. The latex-free ball can be inflated to different sizes to accommodate the child. The frame has non-locking casters for mobility, and the four legs are height adjustable. DIMENSIONS: The chair is 26 to 29 inches high from floor to top of back rest. The ball diameter is 20 inches. CAPACITY: 600 pounds. COLOR: The frame is red; the color of the ball may vary.