Goughnuts Rubber Dog Chew Toy Med .75 A virtually Indestructible (and guaranteed) chew toy! GoughNuts toys have been designed by mechanical and polymer engineers. If your pet can chew through the outer layer to expose the inner red layer, GoughNuts will replace your toy. All GoughNut dog toys float and make excellent fetching toys. The GoughNuts Ring and Stick are the perfect toys for teething puppies! GoughNuts dog toys are made in the USA! GoughNuts Guarantee: If your dog chews through the outside layer to expose the red layer, GoughNuts will replace your toy! Please do not allow your dog to continue chewing the GoughNut if any red is indicated. Small Black Ring: 3.75" in diameter. Best for strong chewers 10 to 40 lbs.