The Paddlesports Heavy Duty Inflatable River Tube, Purple/Pink, is a heavy-duty, rental grade quality, inflatable tube measuring 110cm . This tube is made of 30-gauge vinyl construction. This River Tube Inflated measures 110cm Outside with a 50cm Centre Hole. It has an integrated cup holder and 2-heavy duty handles make floating down the river a breeze. The River Tube also has a built in 23cm x 41cm inflatable back rest that doubles as a safety chamber. This tube is easy to inflate with a large push valve. Product Details: 110cm Outside (Inflated). Rental Quality. 30 Gauge Vinyl Construction. 50cm Open Centre Hole. Integrated Cup Holder. Heavy-duty Handles. Heavy-duty Construction. Built for Rental. 23cm x 41cm Inflatable Head/Back Rest as a Safety Chamber. Large Push Valve.