Pet Dog Puppy Coat Jacket Worm Winter Costume Hood Snap Gray Small Brown Trim

XXS = 6"-8" (Chihuahua, Shih Tzu,Yorkshire Terrier) 

XS = 9"-11" (Bichon Frise, Brssels Griffon, Maltese, Miniature Pinscher, Papillon, Teacup Poodle)

S = 12"-13" (Dachshund-Miniature, Norfolk Terrier, Toy Poodle)

M = 14"-15" (Pekingese, Pomeranian, Basenji, Silky Terrier)

L = 16"-18" (Australian Terrier, Cocker Spaniel, Corgi, Schnauzer, Standard Poodle, West Highland Terrier