Neck girth

Chest girth

Body length

Weight

XXS

18cm ( 7 inch )

21cm ( 8.5 inch )

12cm ( 5 inch )

1-2 lbs

XS

21cm ( 8.5 inch )

26cm ( 10.5 inch )

15cm ( 6 inch )

3-5 lbs

S

25cm ( 10 inch )

32cm ( 12.5 inch )

18cm ( 7 inch )

6-8 lbs

M

30cm ( 12 inch )

38cm ( 15 inch )

21cm ( 8.5 inch )

9-12 lbs

L

34cm ( 13.5 inch )

44cm ( 17.5 inch )

24cm ( 9.5 inch )

13-16 lbs

XL

39cm ( 15.5 inch )

47cm ( 18.5 inch )

27cm ( 10.5 inch )

17-22 lbs

XXL

44cm ( 17.5 inch )

54cm ( 21.5 inch )

30cm ( 12 inch )

23-45 lbs