Enjoy great tube-riding fun all day long With a friend or family member on the Full Throttle dynamo towable tube. Constructed solidly, this two rider towable surrounds a durable bladder with a rugged nylon cover to handle exciting rides over the waves. The Dynamo also features a wedge shaped design for easier towing and boarding in the water. Four foam-filled webbing handles with large EVA knuckle guards provide a sure grip for riders. A quick inflate/deflate two-way Boston Valve gets you on the water quicker for a fun day of riding. Heavy-duty E-Z connect provides easy and secure hook up and better towing control during the ride. A rear strap to make it easier to board The tube in the water.