| X-Small | 6-12" | For example: Bichon, Chihuahua, Pekingese, Toy Poodle |
| Small | 9-15" | For example: Beagle, Cocker Spaniel, Dachshund, Lhasa Apso, Poodle, Schnauzer, Westie |
| Medium | 12-18" | For example: Airdale, Cocker Spaniel, Corgi, Dalmation, Pug, Springer Spaniel |
| Large | 15-21" | For example: Basset, Boxer, Bulldog, Chesapeake, Collie, Doberman, German Shepard, Labrador, Weimaraner |
| X-Large | 18-24" | For example: Akita, Boxer, Chesapeake, German Shepard, Golden Retriever, Great Dane, Labrador, Rottweiler |
| XX-Large | 21-27" | For example: Great Dane, Newfoundland, Saint Bernard |
