Size

Chest

Back Length

Pet Weight

XS

30-34cm

17-21cm

1.5-2kg

S

34-38cm

22-26cm

2.5-3kg

M

40-44cm

27-31cm

3.5-4kg

L

45-49cm

33-37cm

5-6kg

XL

50-54cm

36-40cm

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.