Collar Sizing
X-Small (8"-11") - Chihuahua
Small (10"-14") - Boston Terrier, Shih Tzu, Pomeranian
Medium (14"-18") - Australian Shepherd, Beagle, Border Collie, Boxer
Large (18"-22") - Pitbull, German Shepherd, Golden Retriever, Lab
X-Large (22"-26") - Newfoundlander, Great Dane, Great Pyreness, Rottweiler
XX-Large (26"-30") - Neapolitan Mastiff, Saint Bernard
* Dog breeds are an example and should not be taken exactly when ordering product.