1Inner core is high strength and stronger. Ten white highstrength polyester cores are used inside the umbrella rope, which is firm and stronger. 2Outer skin is soft and flexible, and the outer skin is made of highstrength polyester, which is soft and smooth, and has high strength. 3Whole braid has no joints, with a diameter of 4mm / 0.16in, classic and practical, and excellent quality assurance. 4The workmanship is easy to clean, does not fluff after frequent friction, and can be wringed out quickly. 5Made of highquality polyester material, so it is durable enough for long time use.