4.Stable & Flexible : It can be used as exercise and Fitness Yoga equipment, as well as as as kindergarten and family seats, because it is much more stable, flexible and interesting than the ball. Light weight, safe, non-toxic and tasteless, no harmful substances. Improve balance and strength: inflatable donut balls can improve core strength, balance, coordination and flexibility.
5.Multi-purpose : Suitable for bodybuilding yoga, leg exercise, core training, stability yoga, balance training, stools and seats, can be used in the gym, office or classroom.