The original Kong Toy, recommended by vets and animal behaviourists worldwide. Made from natural rubber which is remarkably elastic and withstands tough chews. The unique shape of the Kong toy produces an entertaining irregular bounce to satisfy hunting instincts as it chases the toy. Kong toy can also be stuffed with tasty treats, Kong stuff "n paste or you own recipe. Kongs can be filled and then frozen to give your dog a cooling treat. Red Kong toy is available in small animal (sized small but softer rubber) small, medium, large, extra large and royal.