A smooth ball can be trained in the same way as on a ball with massage insets. The ball is used for general development exercises, correction of posture defects and rehabilitation. It is also used for fitness and pilates training. The ball is perfect for strengthening muscles, joints and for exercises in correcting posture defects. The set includes a handy pump to inflate the ball. The ball is made of a special type of rubber - it is ABS rubber. ABS RUBBER - a special type of rubber whose properties guarantee high resistance to loads. ABS rubber has anti-explosive properties, which ensures safe use if the surface is damaged. Selecting the size of the ball according to the height of the exercising person.