HEAVY DUTY WATER PARK TUBE— 48" DOUBLE, TINTED BLUE - Our highest performance Water Park Tubes are built tough for commercial use and designed to last. Heavy-duty, 30 gauge vinyl tubes with double outside seams, strong inner gussets, and recessed inflation valves. Contoured handles provide a sure way to hang on. Translucent material allows you to see through the tubes for increased safety on those busy days.