Safety Material: The peanut ball is made of environmentally friendly PVC material, does not contain BPA and heavy metals, is non-toxic, tasteless and not easy to deform. This exercise ball for children can be slowly deflated and has anti-explosion properties when punctured, reducing the risk of injury due to falling to the ground. Product Features: The fitness yoga ball is peanut-shaped and has better stability. Using this fitness exercise ball improves the body's flexibility and balance. Release tense muscles, reduce tension, promote blood circulation, eliminate toxins and tension in the neck, shoulders, back and other body parts, which relaxes the whole body and improves physical fitness. Multifunction: The sensory peanut ball is very suitable for exercising abdominal muscles and training balance and posture. It can correct your posture and dispel your back pain. In addition, you can use a peanut yoga ball to perform Pilates, yoga, pregnancy gymnastics or other low-impact exercises. Convenient Storage: The exercise peanut ball can be inflated quickly and is easy to use, improving body flexibility and balance. Self-massage tool, when the product is not needed, the product can be deflated and rolled up, well stored and easy to carry. Product Size: The peanut ball for children's therapy is 90x45cm after inflation. These sizes are very suitable for most heights and can help you get the most out of your exercise. Rated to withstand a static weight of 200kg and equipped with non-slip materials. Don't worry about falling for maximum safety.