The intex River run I is a 53" Tube that is shockingly durable. This swim tube can handle up to a 400 lb. User. Customers can feel secure in this tube because it is constructed with 18 gauge vinyl. That is practically equal to the vinyl used in your pool liner! Includes a smart Valve that allows you to inflate quickly and deflate in as little as 30 seconds. This float includes a mesh seat which raises your behind up, while still allowing refreshing water through. The built-in back rest keeps you in a comfortable upright position. Includes two cup holders so you'll have to leave the pool less often. The wrap around rope allows swimmers to grab on. This swim ring includes a larger hole than similar products, this makes lounging easier for larger individuals. This float is designed for river rapid tubing, so it can handle any amount of abuse in your pool. Includes repair patch.