STRAP RUBBER 31" W/ S HOOKS. These elastic straps are a very useful tool for securing any kind of load. This product features 100% natural rubber, with sporty galvanized steel S hooks that feature great elasticity. In addition, they can be used to tie tarpaulins or even to secure items in your truck or SUV. No matter what you're using these strips for, they don't need to be as reliable, durable and effective as they are.