Heavy Duty River Tube for Floating. Relax on the lake or hit some small river rapids on our Catchin' Rays River Tube. Convenience is the name of the game during hot summer days; easily inflate, toss in the water, and jump on in. Convenient features include two padded handles when the ride gets bumpy and a cup holder for relaxing with your choice beverage. Catchin' Rays River Tube only has a one way valve for quick inflation and deflation with patch kit included. The removable nylon casing allows kids to safely play in the tube without falling through and keeps adults cool when relaxing. The tube is 48 inches in diameter. This is the ultimate Heavy Duty River Tube for Floating whether it’s for you or your child.