100% Cotton. Great for tug a war. Comes in multiple sizes, so any size dog can enjoy. Interactive toy. This 100% cotton, dog rope toy, is braided into a cylinder shape to make it more sturdy, so it will last through anything your dog puts it through. It is great for tug-a-war, but you can also play fetch with it. With our different sizes, you can find one that is great for any size dog that you might have.