Small 19in-24in ( Most French Bulldogs )
Medium 24in-29in ( 35lbs - 50lbs )
Large 29in-33in ( 55lbs- 65 lbs)
XL 32in-36in ( 65lbs & up )
If you are not sure on sizing please don't hesitate to email/text message or reach out to us on social media, we want to get it right the first time.