Extreme Max Boattector Twisted Polypropylene - 1/2in x 600ft Yellow. The opposing twists in fibers and rope give it structural integrity but make it more susceptible to abrasion damage. Polypropylene is a synthetic valued for its exceptionally light weight and resistance to rot mildew fuel oil chemicals and saltwater. This product is intended for non-critical consumer applications. Not to be used for overhead lifting or in applications with a risk of death personal injury or property damage. Features of Extreme Max Boattector Twisted Polypropylene - 1/2in x 600ft Premium twisted polypropylene rope for marine applications Twisted (or laid) construction provides a greater strength than braided ropes of the same size Lightweight and floatable Resists saltwater gas oil acids abrasion mildew Includes a handy spool to keep the rope from tangling Package Contents: Extreme Max Boattector Twisted Polypropylene - 1/2in x 600ft Extreme Max 3006.2243: Boattector Twisted Polypropylene - 1/2in x 600ft Yellow