USED-OPEN Have fun floating in the pool or at the lake with the Intex River Run I Designed with a built-in backrest for easy cruising and a mesh bottom that keeps you cool. An all-around grab rope is included for ease of use 53" diameter circle Comfortable back rest and mesh bottom to keep cool USED-OPEN The Intex Pink River Run I Sport Lounge, Inflatable Water Float, 53" Diameter inflatable tube is designed to fit an adult and it's perfect for tubing down the river, in the lake, or in the pool. The River Run tube is designed for high-performance fun. The bottom of the tube has a mesh layer where the water keeps you cool in the sun. The cup holders and backrest are added comforts on the water. The 18-gauge (0.46mm) vinyl material is durable and cool to the touch. Comfortable backrest and mesh bottom, 2 durable grab handles, 2 built-in cup holders, 2 easy-to-use connectors included to connect with other Intex floats. 53in diameter circle, Built with 18ga vinyl. Includes repair patch. Age grade: adult. 220 lb max weight limit.