Goughnut Maxx Pro50 Stick Goughnut Maxx Pro50 is all black with a YELLOW DOT to signify it is the STRONGEST Goughnut on the market!! 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!