Size Guide:
Small - Fits cats, puppies & smaller dogs
Neck Size 8" - 12"

Medium - Perfect for Frenchies, Pugs, Cavalier King Charles Spaniels, rescue Mix Breed pups, and smaller Doodles.
Neck Size 12" - 15"

Large - For bigger dogs like Labradors or larger Doodles.
Neck Size 15" - 17"