Get ready for fun in the summer! The Intex River Run 53” Aqua Inflatable Tube (2-Pack) & Blue Inflatable Tube (2-Pack) is designed to fit an adult. It is the perfect inflatable tube for floating the river, in the lake, or in the pool. The River Run tube is designed with a high-performance mesh bottom layer to keep you cool. The cup holders and backrest are added comforts while on the water. The 18-gauge vinyl material is durable and cool to the touch. This set gives you 4 rafts - two Blue River Run 1 and two Aqua River Run 1. Each lounge measures 53-inch diameter.