The yoga ball with 80% gas is relatively moderate, so the ball is more elastic and easy to grip. You can also float this data up and down, mainly according to the practice needs and habits of practitioners.

1, if the gas is too full, the yoga ball will become very hard, which is not conducive to the practice and maintenance of the yoga ball.

2. If the qi and blood are insufficient, the yoga ball will become soft, and many yoga moves can't be done, so it can't play the role of exercise.