Medium Adjustable Dog Grooming Muzzle. Quality Mesh Nylon, adjustable, quick clip release. Fits Dog Snout circumference sizes 6"- 7 1/2" Caution: Never leave your dog unsupervised while wearing this muzzle. Dogs are unable to pant and are unable to cool their body when wearing this muzzle, do not use for longer than 20 minutes and only under direct supervision. Brand: Downtown Pet SupplyTM - professional packaged with trademarked logo