The bouncing ball is made from durable plastic material, making it extremely resilient and able to withstand all movements during use by your children. Jumping with the bouncing ball promotes balance, muscle development, and coordination in children. The ball can be quickly and easily inflated with a standard air pump. The included stopper seals the valve after inflation. Small grooves on the handles provide optimal grip while jumping, ensuring that children do not slip off with their hands. Guaranteed fun for both indoors and outdoors. The bouncing ball can be deflated if needed and stored compactly in its beautiful packaging. Since the bouncing ball may lose air over time, it can be refilled at any time.