Leopold's smooth leather collar

19-24	Neck 19-24cm / Width 2.5cm
24-29	Neck 24-29cm / Width 2.5cm
28-34	Neck 28-34cm / Width 3cm
33-39	Neck 33-39cm / Width 3cm
37-43	Neck 37-43cm / Width 3cm

Back = back length
Neck = neck circumference
Chest = Chest circumference
Belly = waist circumference