O'Brien Floating 4 Person Towable Tube RopeO'Brien's series of Floating Towable Tube Ropes are the most popular tube rope on the market. This rope is designed for handling tubes with up to four riders. It features a floating core that keeps the rope of the surface for greater visibility. Bright colors also ensure the rope is easily visible from the boat.Specifications: Maximum Total Rider Weight: 680 lbs. or 4 riders; Average Break Strength: 4,100 lbs.; Line Length: 60';