About this item Versatile Tool for Training: Our gymnastics air barrel is versatile and can be used for movements and exercises, such as tumbling, balancing handsprings Easy and Fast Inflation: Each air barrel is equipped with an electric air pump that inflates the air roller with less than 1 minute, and the air barrel can maintain pressure for days High-quality Material: This gymnastics air barrel is made from 100% waterproof polyvinyl chloride materials, ensuring exceptional durability Ideal For Professionals: With two dimensions of 39.4 x 23.6 inches, the training barrel offers athletes a more forgiving landing on various skills Packing List: The inflatable air barrel is bouncy so that athletes can get more help in learning their tumbling skills. It includes an electrical pump, and a repair kit