This 3/8 inch Cotton Blend Rope is reinforced with synthetic fibers for lower stretch, higher strength, and increased durability. The product is supplied on a sturdy spool. It can be used for a variety of applications including sash cord and other assorted indoor/outdoor utility tie-downs. Some prefer the cotton jacket as it has more grip and will be less likely to slide or have the knot loosen. Not suitable for animals/bird feeders due to polyester reinforcement (which may cause choking) Diameter: 3/8" (9.5 mm) Color: Natural Break/Tensile Strength: 1200 pounds Made in the USA