1st released over 25 years ago this tow tube started the tubing craze. This is it"s 25th Anniversary * size perfectly for one rider, donut shape partially covered with 420 nylon envelope. * heavy duty 24 gauge PVC tube, there are four soft flexible handles with EVA knuckle guards on the outer cover for hand comfort. * Tube comes with a front quick disconnect heavy duty tow line connector hook. * Easy inflate and deflate with one Boston air valve.