XS Bust 25cm back length 15cm (for 1-2 pounds of small dogs)
S: Bust 30cm back length 18cm (for 2-3 pounds of dogs)
M: Bust 35cm back length 23cm (for about 4 pounds of dog)
L: Bust 42cm back length 28cm (for about 6 pounds of dog)
XL: Bust 47cm back length 33cm (for about 9 pounds of dog)
