Size

Chest

Pet Weight

XS

24-26cm

1.5kg

S

27-34cm

1.5-3kg

M

35-39cm

3-4.5kg

L

41-45cm

4.5-7kg

XL

46-52cm

7.5-10kg

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.