XS Bust 30cm back length 20cm (2-3 pounds for dogs)

   S: Bust 32cm back length 26cm (3-5 pounds for dogs)

   M: Bust 36cm back length 29cm (5-7 pounds for dogs)

   L: Bust 41cm back length 35cm (suitable for 7-10 kg dogs)

   XL: Bust 45cm back length 41cm (suitable for dogs 10-14 pounds)