Safe:The bungee dock line makes security while your boat is docking. It is a great compliment to your anchor All-round protection:4ft boat rope eliminates the jerking, tugging, and banging on your boats and anchor Great stretching:Our bungee mooring rope can "stretches" as your boat, pontoon, or drifts from rough waves or wind Easy to use:The boat lines bungee ropes with loop and slider at each end for an easy attachment to your boat, dock, or anchor design:The sleeve tubes can slide to adjust the loop tightens easily, and the foam float tube makes the bungee dock line float on the water, Manufacturer: SOYWIM