Real Leather Dog Basket Muzzle #115 Black (Circumference 18", Snout Length 4.7") Mastiff, Great Dane Well-ventilated, light and durable. Well-fitting, comfortable muzzle is made of high quality genuine leather, trimmed and riveted for extra strength. Dog snout measurements: circumference 18"(46cm), length - 4.7"(12cm). Adjustable leather straps wouldn't stratch. This size generally most suitable for XXLarge breeds like Mastiff, Great Dane.