Twisted POLYPROPYLENE ropes make flexible and lightweight ropes. They are rot proof and resist oil water gasoline and most chemicals. They are one of the only rope fibers that float making them perfect for marine use. These twisted 3 strand ropes are the perfect economical choice as a general purpose rope. This rope will float has excellent resistance to most common chemicals. It is also resistant to rot mildew and deterioration. It has good abrasion and UV resistance Good strength and moderate stretch. 1/4 in diameter and 600 on a spool.