Directions:Sizing Guide:Measure length of your pet's back from the base of the neck to the base of the tail. If the measurement is between sizes, or if your pet has a stouter build, select a garment one size larger for a proper fit.
Recommended Sizing by Breed:XX-Small: Chihuahua, Chinese Crested, Pomeranian, Toy Poodle
X-Small: Brussels Griffon, English Toy Spaniel, Maltese, Miniature Dachshund, Norfolk Terrier, Papillon, Yorkshire Terrier
Small: Australian Terrier, Border Terrier, Boston Terrier, French Bulldog, Miniature Pinscher, Toy Fox Terrier, Pug, Shih Tzu, Silky Terrier, West Highland Terrier
Small/Medium: Cairn Terrier, Miniature Poodle, Pekinese, King Charles Spaniel, Italian Greyhound, Lhasa Apso, Mini Schnauzer, Tibetan Spaniel
Medium: Beagle, Bichon Frise, Brittany Spaniel, Cocker Spaniel, Corgi, Parson Russell Terrier, Scottish Terrier, Wire Fox Terrier, Havanese, Welsh Terrier
Large: Australian Shepherd, Border Collie, Bulldog, Dalmatian, Standard Schnauzer