Description Exercise Ball inSPORTline Aerobic Ball (Overball) has a an incredibly wide range of possible use. It is suitable for exercising, stretching, balance training, aerobic and gymnastics. You can either use a fully inflated ball or just a partially inflated one. Exercise Ball inSPORTline Aerobic Ball (Overball) offers a number of exercise options and helps you focus on areas that are normally hard to exercise. Technical description: No need for maintenance Weight : approx. 140 g Weight limit: 120 kg Diameter: 25 cm (this is the maximum recommended diameter, softer ball can be inflated to a smaller size) Material: PVC Pump not included