Size guide

Size
cm
Inches
Small
30–45
11.8"–17.8"
Medium
35–52
13.5"–20.5"
Large
38–60
14.8"–23.8"

 

Breed
Typical neck (cm)
Avg
Default
Labrador Retriever
46–61
53
L
French Bulldog
30–40
35
S/M
German Shepherd
46–66
56
L
Golden Retriever
46–61
53
L
Crossbreed / Mixed
28–56
42
M
Chihuahua
15–25
20
XS
Cockapoo
30–45
38
S/M
Yorkshire Terrier
15–23
19
XS
Cavalier King Charles
25–41
33
S
Dachshund (Miniature)
20–30
25
S
Jack Russell
25–36
30
S
Miniature Schnauzer
25–41
33
S
Staffordshire Bull Terrier
46–61
53
L
Border Collie
36–51
43
M
Boxer
41–56
48
L
Beagle
30–46
38
S/M
Poodle (Miniature)
25–41
33
S
Australian Shepherd
41–56
48
M/L
Rottweiler
51–63
57
XL
English Bulldog
46–61
53
L
Pug
28–38
33
S
Cocker Spaniel
36–51
43
M
Cavapoo
28–40
34
S
English Springer
38–48
43
M
Whippet
28–38
33
S