Ropes made of 100% multifilament high tenacity polypropylene yarns with signal yarn. Ropes made of polypropylene are valued of their light weight, floatability, weather resistance, high breaking load and diverse applications possibilities. They have slightly glossy and dimensionally stable surface, are easy to knot, tie, intertwine and to process. Polypropylene has good chemical resistance to petrol, diesel, lubricates and weak alkalis.