The Gentle Leader® headcollar is not a muzzle. The Gentle Leader headcollar offers a fast, gentle and effective way to control unwanted behaviour without harsh methods or devices. Because it's designed to work with your dog's natural instincts, behaviour changes in minutes, not weeks. Effective way to control barking, jumping, pulling and other behaviour problems while on lead.
X-Small up to 15 lbs, Small 15 to 25 lbs, Medium 25 to 45lbs, Large 45 to 75lbs, X-Large 75+lbs.