Product Description1. All-around: The mini exercise ball can effectively stimulate your abdominal and inner thigh muscles to increase their flexibility, strength, and endurance! Various exercises can increase instability and endurance and are suitable for relaxing the body. Most importantly, it keeps your movements fresh and fun.2. Made of soft, flexible, durable, and skin-friendly PVC, it remains elastic and soft even when fully inflated.3. EASY TO USE: The balance ball can be easily inflated with the included tube and respirator, no pump required. The folded size makes the ball easy to carry and store.4. Multiple Uses: Skin-friendly material, the small exercise ball is suitable for yoga, Pilates, ballet, physical therapy, core strength, balance, flexibility, body sculpting, fitness, pregnancy and childbirth, rebound, beach, and playground. more rigorous training and exercise.