The ZUP Duo is an exciting deck tube that your family will love to have behind the boat this summer. Constructed from K-80, .66mm PVC, the Duo is easy to board with the convenient grab handles towards the back of the tube and is a FUN towable for people of all ages. The 420-denier nylon cover is durable and will provide long-lasting use. The Duo towable tube will hold 1 adult or 2 small children.