Airhead Bungee Dock Lines absorb shock to boats, cleats, docks, pylons and other hardware. The bungee cord is hidden inside the rope and acts as a built-in snubber. Two foam floats protect the line from chaffing. There is a slide adjustment at both ends for quick docking. Recommended for docking boats and PWC's up to 3500 Lbs. Tensile strength is 2150 Lbs. Available in 4' 5', and 6' lengths.