Size | Back Length | Chest Girth | Example Breeds |
10 | 10 inches | 14-17 inches | Chihuaha, Teacup (Yorkie, Maltipoo) Toy (Shih Tzu, Mini Poodle, Bichon Frise, Dachshund) |
12 | 12 inches | 16-19 inches | Spaniels (Cocket Spaniel, King Charles Spaniel) |
14 | 14 inches | 19-22 inches | Small Pugs, Small Frenchies, Terriers |
16 | 16 inches | 21-25 inches | Pugs, Frenchies, Terriers |
18 | 18 inches | 24-27 inches | Small Hound, Mini Doodle Mix, Wheaten Terrier, Corgi |