For a perfect fit you should measure your dog when they're standing up along their back from collar to the base of the tail.
The velcro straps fastening around your pets neck and stomach are adjustable and will fit the fattest dogs!
Extra Small 10" (25cm) Yorkie, Westie, Lahsa Apso, Shih Tsue, Bichon Frise
or Small 14" (35cm)
Medium 18" (45cm) Cocker Spaniel, Whippet, Staffordshire Bull Terrier, Corgi, Dachsund, Miniature Poodle
Large 22" (55cm) Golden Retriever, Border Collie, Boxer, Dalmation, Airedale
or Extra Large 26" (65cm)
Extra Extra Large 30" (75cm) Old English Sheepdog, Setter, Doberman, Labrador, Afghan, German Shepherd
Huge 34" Mastiffs, Rottweilers
or Extra Huge 38"