Constructed with durable 18 gauge vinyl, ensuring that each pool float tube withstands the rigors of river currents, pool adventures, and lake escapades Equipped with a mesh bottom that not only enhances comfort but also keeps you cool as you float on your inflatable tube, providing a refreshing and enjoyable ride Features built-in backrest that allow you to lean back on your pool raft and cruise effortlessly on the water; Enhancing the overall relaxation experience as you soak up the sun and the scenery Includes easy-to-use connectors that enable you to link the rafting tubes together and keep your friends close during your swim float adventures, providing both convenience and enjoyment Dimensions of the heavy-duty river tubes measure a diameter of 53 inches, providing enough room and relaxation for 1 adult float rider on each pool lounger