Pet Leash Size Chart

Size	Neck Girth	Chest Girth	Weight	Best For
S	12-16 (30-41cm )	16-20 (41-51cm)	10–20lbs	Beagle, French Bulldog
M	14-19 (36-48cm )	20-26(51-66 cm)	20–40lbs	Border Collie, Bulldog
L	17-23 (43-58cm )	26-32 (66-61cm)	40–70lbs	Labrador, Golden Retriever
XL	20-27  (51-69 )	32-38 (81-97cm)	70-100lbs	German Shepherd, Rottweller