Polypropylene hollow yarn has the characteristics of anti-aging, good acid and alkali resistance, high strength and impact resistance. Due to its low specific gravity, light weight, strong covering power and high wear resistance, acid and alkali resistance, insect resistance, easy The advantages of cleaning, so polypropylene hollow yarn is mainly used for luggage belts, handicrafts, sofa, craft cloth, curtains, furniture cloth, car seat cushions and other products.