[PERFECT SIZE]Unstretched Length: 124 cm; Stretched Length: 170 cm.Quick docking: Place the loops over the cleat of the boat and dock and adjust the slider to attach the loops. The dock ropes are perfect for quickly and safely mooring kayak, jet ski, pontoon, sea doo, canoe, motor boat, waverunner etc.Package includes: 2 x bungee dock lines.Advantage: Absorb shocks and avoid jerking and pulling on your docked boat caused by non-bungee dock lines. The bungee dock line makes you safe while your boat docks.Unique design: the bungee cord is hidden in the rope and acts as a built-in damper. Two EVA foam floats protect the boat from chafing and slipping at both ends for easy attachment and quick docking. They never sink in case they accidentally go overboard. reinforcement on the inner joints.