Material: The expansion hook consists of two parts. The elastic ring is made of flexible latex and the hook is made of heavy steel. It is durable, flexible and elastic, has good adhesion, high strength, and can be reused. Strong Stability: The reliable elastic rope has the strongest stability, the hook and the elastic band are firmly connected and it is not easy to come apart. 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, easy to use. Wide Application: An essential tool for securing cargo and loads on cars, trucks, trailers, motorcycles, bicycles, and also great for outdoor use to secure camps, tents, tarps, awnings. Works in All Weather Conditions: Long bungee cords with hooks are great for snow , rain, sleet or all weather conditions. hooks hold even in the toughest outdoor components.