We now have RIVER TUBES!! Float in style and comfort with a Heavy Duty River-Gauge Tube! ATX Float River-Gauge tubes are made of a heavy duty, UV- resistsant, 25-gauge Vinyl (PVC) material formulated to withstand long exposure in the sun, rock, sticks, and rough river conditions. With a 50-inch (deflated) outer diameter, 22-inch center dia. and the ergo’ backrest, these are the perfect size and height on the water to rest easy and comfortably for a long ride. Each tube comes with a mesh bottom, large cup holder, 2 handles, backrest and a commercial Boston Air Valve for quick and easy inflation/deflation.