What is this? There are various applications in our daily life, such as indoor or outdoor usages, fit for camping tent, canopy, canvases, cargo, hiking, boating, hauling, bundles, kayaks, awnings, tying storage. What will I get? Color: Red/Yellow/Green Material: Nylon, Iron Overall Length: 150mm / 5.9" Rope Diameter: 6mm / 0.24" Hook Length: 56mm / 2.2" Hook Opening: 20mm /  0.79" Package Content: 5pcs/10pcs x Elastic Cords Are there any advantages of this product? Made of nylon and metal materials, it can stretch for your needs, wear-resistant and can be last for a long time, flexible and practical in use. How to use it? Wrap an elastic rope through the cord, then hook the elastic cord together to hold it in place. What should I notice? Do not stretch the rope excessively and be careful that the rope rebound.