38"L x 33" diameter. The rider slices into the Sumo suit and holds on to a grab handle on the end of a 60' rope. The rider can roll 360's from left to right, jump the wakes, steer left and right by moving their arms, or just glide across the water's surface. It's a fast and fun bodysurfing thrill ride. The Sumo Tube can also be used in the crashing waves as a body surfing tube. The Sumo tube is one chamber and inflates quickly.