Collar sizing

Side release collars                                                             Martingale collars
XXS…………… 4” – 8”                                                         XXS…………… adjusts up to 8”
XS…………….. 6” – 12”                                                       XS…………….. adjusts up to 12”               
S………………. 10” – 16”                                                     S………………. adjusts up to 16”
M……………….12” – 18”                                                      M……………… adjusts up to 18”
L………………. 17” – 24”                                                      L………………. adjusts up to 21”
XL…………….. 21” – 27”                                                      XL…………….. adjusts up to 24”
XXL……………. Up to 31”                                                    XXL…………… adjusts up to 27”

Nickel-plated buckle collars
XXS…………… 6” – 8”
XS…………….. 8” – 10”
S…………….. 10” – 12”
M……………..12” – 16”
L…………….. 14” – 18”
XL…………… 18” – 22”

Cat collars
One size……………8-12”