It made of high-quality latex, it is stretched strongly, the rope rebounds powerfully, has flexibility, and has strong bearing capacity and endurance, and is durable. .Sewing the thread, the link is made of 6 thick seams to prevent the steel structure from falling off and is durable. .Two safety hooks are designed in a circular arc shape, which is not easy to scratch and the surface is coated with PVC to prevent scratches. .They are designed with wide mouth and spring locks that lock once they are secured. This means they are very powerful, won't break or bend, and won't break away from the fixed point, giving you more peace of mind. .Suitable for binding suitcases or boxes on bicycles, motorcycles, trailers, and luggage carts. .