The 4k Tube Rope is a 60 foot long rope designed for 3 or 4 rider tubes or 4,100 pounds of average tensile strength. It has a maximum of 4 people or roughly 680 rider pounds and is a great mid-weight rope for average tubes and tubers. Assorted colors. 4,100 lbs. Average Tensile Strength 60 Foot Length with Float Max of 4 people or 680 lbs.