EXTRA SMALL
Chest : up to 24 cm, Girth : up to 50 cm
SMALL
Chest : 26 cm - 32 cm, Girth : 53 cm - 59 cm
MEDIUM
Chest : 34 cm- 46 cm, Girth : 61 cm - 74 cm
LARGE
Chest : 42 cm - 48 cm, Girth : 74 cm - 97 cm
EXTRA LARGE
Chest : 50 cm - 64 cm, Girth : 87 cm - 124 cm