X-Small fits up to 8"

Small fits 9"-12"

Medium fits 13"-16"

Large fits 17"-20"

X-Large fits 21"-24"

Back: Measure length of pet’s back from the base of the neck to the base of the tail. See below for estimating by breed.

Neck: Measure the circumference of pet’s neck, snug but not tight. No need to add inches as you would with a collar.

Chest/Girth: Measure girth around the broadest part of the chest and add 2”.

X-Small: Cat, Yorkshire Terrier, Chihuahua, Maltese, Italian Greyhound

Small: Beagle, Boston Terrier, Cocker Spaniel, Pug

Medium: Basset Hound, Bulldog, Keeshond, Norwegian Elkhound, Dalmatian

Medium-Large: Boxer, Standard Poodle, Golden Retriever, Labrador

Large: Afghan, Doberman, German Shepherd, Irish Setter, Rottweiler, Collie

X-Large: Great Dane, Great Pyrenees, Greyhound, Mastiff, Saint Bernard