Enhancing Coordination: This toy helps balance the vestibule, promote bone development, and exercise the balance and coordination of children's movements. Great fun, healthy growth toy and also suitable for adults. Material: Eco-friendly, non-toxic PVC, durable. The reinforced foot ball is non-slip, and the air valve is not easy to leak. Tip: Do not use on smooth surfaces such as: glass surfaces, oily floors, metal floors and uneven areas. Age suitable: Can be used for ages 4+ to help with hand-eye coordination and overall motor skills Weight-bearing: Maximum load carrying capacity is 220 lbs. Easy to assemble, suitable for family games and children's entertainment Can be used in many places: home, park, gym, playground, etc. Very easy to assemble and carry for indoor and outdoor use