Genuine Leather Dog Basket Muzzle #108 Black - Bulldog, Boxer (CircuSmference 13", Snout Length 2.5") Well-ventilated, light and durable. This size generally most suitable for Bulldog, Boxer or other breeds with similar snout structure. Well-fitting, comfortable muzzle is made of high quality genuine leather, trimmed and riveted for extra strength. Dog snout measurements: circumference 13", length - 2.5". Adjustable leather straps wouldn't stratch.