For people who work in the office and want more physical activity involved in their daily work. 
Integrate active sedimentation into your daily activities: 
Active sitting on the office ball, abdominal and lumbar muscles are resilient, which reduces the risk of tension. 
Exclusive Premium Design for the Office; 
Handle for convenient transport from one place to another; 
Anti-burst material and sand filler for ball stabilization; 
Specifications: 
Ball diameter: 65 cm 
Material: Polyester