Material: The expansion hook consists of two parts. The elastic ring is made of flexible latex and the hook is made of heavy-duty steel. It is durable, flexible, and elastic, with good grip, high strength, and can be reused. Strong Stability: The reliable elastic cord offers excellent stability. The hook and elastic band are securely connected and resist separation. Easy to Use: You can increase the length by tying a knot or connecting two hooks. The rubber tensioner can be installed and removed in seconds, making it simple to use. Wide Application: Ideal for securing cargo and loads on cars, trucks, trailers, motorcycles, and bicycles. Also suitable for outdoor use, including securing camps, tents, tarps, and awnings. Works in All Weather Conditions: Bungee cords with hooks perform well in snow, rain, sleet, and various weather conditions. Hooks maintain hold even in harsh outdoor environments.