Boat Dock Lines & Rope Best Partner for Watersports Floating 2 EVA foam floats prevent dock rope from sinking, chafing and keep it floating for high visibility. Strechable Length and Srong Pull Bungee cord inside and braided PE cover makes it strechable from 4ft to 5ft.This bungee dock line has tensile trength of 2300 pounds, and is strong enough to tie up boat up to 4500 pounds. Premium Material Rope inside is made of latex and polypropylene rope covers it.Durable and has resistance to UV and abrasion.It can absorb shocks because of the elasticity. 2 adjustable loops You can slide the transparent sleeve tube to adjust the size of the loop in different situations Options-Classic Color and Package Black-2 Black-4 Blue-2 Red/Black/Blue-4 Applications-It is widely used for bass boat, kayak, jet ski, PWC.etc.