Size

Chest

Back Length(no collar)

Pet Weight

XS

30cm

15cm

1.5kg

S

33cm

17cm

2kg

M

36cm

19cm

2.5-3kg

L

39cm

21cm

3.5-4kg

XL

42cm

22cm

4.5-5kg

XXL

46cm

23cm

5.5-6.5kg

XXXL

50cm

25cm

7-7.5kg

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.