size
S back length 20cm, chest circumference 32cm, neck circumference 23cm, weight 1.25-2kg
M back length 25cm, chest circumference 37cm, neck circumference 26cm, weight reference 2-3kg
L back length 30cm, chest circumference 42cm, neck circumference 29cm, weight 3-4.25kg
XL back length 35cm, chest circumference 47cm, neck circumference 32cm, weight reference 4.25-6kg
