คุณลักษณะ

• It has the same effect as a Pilates ball, and it has an exercise effect by rocking while sitting.
• It promotes the reduction of fatigue and lower back pain by sitting while moderately strengthening the muscles around the lumbar spine.
• It is an exercise chair, not a comfortable chair.
• Please be sure to sit down while grasping the chair with your hands.
• It is not a chair to sit comfortably, so you need to get used to it.