Real Leather Dog Basket Muzzle #114 Brown (Circumference 17.3", Snout Length 4.3") 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 17.3"(44cm), length - 4.3"(11cm). Adjustable leather straps wouldn't stratch. This size generally most suitable for XLarge breeds .