Gen3 Marine Bungee Dock Line - Black Gen3 Marine Bungee Dock Line is a quick and easy way to tie your boat off at a dock. Bungee dock line absorbs shock to boats, docks, cleats, and other hardware. Foam floats on both ends protect your boat from line chafing. The ease of use make these lines ideal or temporary docking. Gen3 Marine bungee dock lines are sold as singles or pairs and are available in three different lengths. Features Available in pairs or singles Great for temporary docking Sliding