Structured to remain in one place and not roll aware while you're not using it;Anti-burst feature prevents the ball from bursting during use;Perfect for Core Muscle Building / Yoga / Pilates / Toning;Durable anti burst 60cm(25 inch) apx Exercise ball.;Ideal for core strength training, stretching, toning, resistance exercise and more.

• Anti-Burst 60-65cm Gym Exercise Ball Fitness YOGA Abdominal Flat Stomach Aerobic

Anti-Burst 60-65cm Gym Exercise Ball Fitness YOGA Abdominal Flat Stomach AerobicITW