Elastic cords with barbs have hundreds of uses. The metal barbs point easily to fit through any hole and flex back to stay securely inside. These cords are ideal for use with convention badge holders. Use them when you're camping to help secure gear. They're handy for keeping shoes and garments in place while you're traveling. You can even use them for gift wrapping or securing hair. The length of the cord is 30". The barb measures 5/8".