Size

Chest

Back Length

Pet Weight

XS

25-29cm

19-23cm

1.5kg

S

31-35cm

21-25cm

2-3.5kg

M

36-40cm

26-30cm

4-4.5kg

L

41-45cm

32-36cm

5-6kg

XL

46-50cm

37-41cm

6.5-8kg

The size chart is for reference only, it is recommended to measure the bust circumference, it is normal that there is a 2-3cm error in manual measurement.