Hammer the water hard with the Obrien Hammer Head 1 Tube! This fantastic tube is perfect for a day on the water, built with durable 24-gauge PVC and covered with 420D nylon. The tube has four knuckle guards and one EVA pad for comfort, safety, and security. The quick-connect tow tube makes for fast setup and the Boston air valve makes deflation a breeze. Specifically designed for 1 rider. Made of durable 24-gauge PVC with covered with 420D nylon. Inflated product dimensions: 64L x 55W in.. Features 1 quick connect tow hook and 1 Boston valve. Manufacturer provides 1 year limited warranty.