Deluxe backrest Tube gives added comfort, for our 2 hour or 4 hour float. These comfortable 53 inch diameter tubes have 3 chambers for safety, and are super comfy. All that have tried them love em. Try one today. 250 pound limit. NOTE: Color and style shown may vary from photograph, some are red, some are blue, some have bottoms, some are open bottoms, based on availability. Model shown without lifejacket for illustration purposes. Lifejackets ARE available at no extra cost for all, regardless of river conditions or age. As in all activities at River Country Lifejackets ARE MANDATORY for all persons 13 years old and younger. Your choice 2, 3, or 4 hour Tubing. ( times based on normal river conditions ).