Dogs love the crunchy noise of a water bottle! Save your empty water bottles and put them in this Crusherz for an irresistible dog toy. One FREE empty water bottle included, along with a squeaky cap! Save the squeaky cap to make any water bottle squeaky! Alert, don't let your pup drink too much. Alert, don't let your pup drink too much, even though it's not real liquor nor contain any alcohol.