* When in doubt, choose the larger size for better comfort.

Size

 EXAMPLE BREEDS

XS POMERANIAN (SMALL), CHIHUAHUA (SMALL), TOY BREEDS
S CHIHUAHUA (LARGE), BICHON FRISE (SMALL)
M BICHON FRISE (LARGE), FRENCH BULLDOG (SMALL), BOSTON TERRIER, SHIH TZU, MALTESE, YORKSHIRE TERRIER, WEST HIGHLAND TERRIER
L COCKER SPANIEL, CAVALIER KING CHARLES, JACK RUSSELL, FRENCH BULLDOG (LARGE), MINIATURE SCHNAUZER, BEDLINGTON
XL BULLDOG (SMALL), BEAGLE, BOXER
XXL BULLDOG (LARGE), STAFFIE, PUG, LHASA APSO, PITBULL, BASSET HOUND