High Quality Explosion-proof Sports Yoga Balls Pilates Fitness Gym Balance Exercise Pilates Workout Massage Ball

Product Description:
1. Material: PVC
2. Features: smooth surface; made of green materials, so it is harmless, healthy and non-toxic, fresh and odorless; high-grade explosion-proof materials can prevent accidental burst since the material itself is able to maximize the security.
3. Function: to prevent back pain; correct stature; shape the body; provide help for office staff who lack of exercise.
4. A straw is attached
5. Size: about 25 * 25 * 27 cm ( 9.84 * 9.84 * 10.63 in )