Secure line by Lehigh diamond braid rope is made of polyester material. Best quality all purpose rope. Grips around cleats better than nylon. Resists rot, mold, oil, gasoline and other harsh chemicals. Also resists abrasion and sunlight. Best for boating and flagpole rope. Safe working load 70-Pound. Available in white with red marker color. Measures 50-Feet length by 3/16-Inch diameter.