Genuime Leather Dog Basket Dog Muzzle #111 (Circumference 14.3", Snout Length 4"), Rottweiler, Pitbull, Cane Corso 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 14.3"(36cm), length - 4"(11cm). Adjustable leather straps wouldn't stratch. This size generally most suitable for Rottweiler, Pitbull, and breeds with similar snout structure.