DOG CARE Adjustable Real Leather Anti-Biting Basket Dark Brown Dog Muzzle, Three Different Sizes Options Made of high quality leather. Three size are available. Each muzzle has an adjustable strap with a quick-release buckle. Can be adjusted according to the the actual head type of your four-legged friend The muzzle has been popular with the professional users in military for years. Offers a high level of safety when working with aggressive dogs that bite or bark. Please measure your dog's snout before you place the order to insure this is the correct muzzle size you need.