1. Mini fitness ball. Pilates balls are made of eco-friendly PVC. It is non-toxic, flexible, durable and safe 2. Suitable for exercise. This small fitness ball is designed for yoga, pilates, barre, physical therapy or home workouts focused on strengthening core, posture, stability, balance, conditioning, muscle toning and back rehabilitation. 3. Part of gaining health is regaining strength lost through pregnancy, injury or illness. Our Pilates balls allow you to improve muscle groups and balance with low-impact support. 4. Easy to inflate and store. It can be quickly inflated with the straw and stopper that comes with the ball. The small diameter makes the ball easy to carry and store for travel. 5.Durable and Non-Toxic-so whether you are stretching your back, squeezing your thighs, or engaging your core, our supplies will last! 1. Mini fitness ball. Pilates balls are made of eco-friendly PVC. It is non-toxic, flexible, durable and safe 2. Suitable for exercise. This small fitness ball is designed for yoga, pilates, barre, physical therapy or home workouts focused on strengthening core, posture, stability, balance, conditioning, muscle toning and back rehabilitation. 3. Part of gaining health is regaining strength lost through pregnancy, injury or illness. Our Pilates balls allow you to improve muscle groups and balance with low-impact support. 4. Easy to inflate and store. It can be quickly inflated with the straw and stopper that comes with the ball. The small diameter makes the ball easy to carry and store for travel.