The neoprene core allows the rope to float atop the water for better visibility and less chance for hang-ups on unseen objects that may be in the water. In addition, the can be easily seen with a reflective fleck in the rope weave. The 2k Tube Rope is a 60 foot long rope designed for 1 or 2 rider tubes or 2,300 pounds of average tensile strength. It has a maximum of 2 people or roughly 340 rider pounds and is a great lightweight rope for small tubes and tubers.