The Ball Therapy Chair is a mobile ergonomic seating system combines the benefits of ball therapy with the convenience of a chair base. The Flexibility and shape of the Ball Therapy Chair help improve posture, build a healthier back and sense of balance. The Therapy ball chair promotes a healthy posture & keeps the mind focused and body engaged. The perfect child sized seat for improving concentration & focus at home or in the classroom. This therapy ball chair helps to reduce restlessness, fidgeting and prevent boredom. The Ball Therapy Chair provides bounce as well as movement from side to side. Children will love this healthy and fun alternative to a chair. Available in two different sizes, Small: Seat H370mm suitable for up to 100kg Large: Seat H530mm suitable for up to 135kg. Sturdy base with 4 easy glide casters. Light assembly required. Colour may vary.