Exercise is like a light that, once ignited, never goes out. The flame gets brighter the better you practice. Any age or level of fitness can benefit from using a gym ball for yoga exercises. Many exercises for the back, abdomen, and limbs can be performed with a ball.

Principal Advantages:

It can be used to tone and strengthen the muscles in the hands, arms, shoulders, back, legs, and hips.
Exercise on a gym ball enhances stability and balance.
long-lasting, robust substance. 
used to perform a range of whole-body yoga poses, with a focus on core strengthening.
There is premium anti-burst material included. 
Excellent for cardio, pilates, body toning, and muscle strengthening