Product "This is a simplified set of safety rope tools. It has all the functions of traditional safety ropes. Flexibility, flexibility, lasso, stability, and load-bearing capacity are very simple to protect your own ship. Recommended Reason: 1. When your ship is docked, ensure the safety of the ship, it will not drift away. 2. "Stretch"as your boat, pontoon, PwC, motorboat or drift from rough waves or wind kayaking. 3. The ring and slider at each end can be easily connected to a boat, dock or anchor. 4.widely used in Men Boat Accessories Pontoon Accessories Jet Ski SeaDoo WaveRunner Kayak Pontoon. 5.Good ductility, extending from 4- 5.5 feet About 124-170CM). 6.Boat Lines Bungee Breaking strength: 1800 pounds. Product Parameters: Material: PP and PE Diameter: 16mm Unprocessed length: about 124 cm or 4 ft Stretch length: about 170 cm or 5.5 ft