Heavy Duty Nylon and Leather Dog Collar 1.5" Wide. Fits 17"-24" Neck XLarge Cane Corso, Rottweiler, Mastiff 1.5" wide high quality strong and durable thick heavy duty nylon and leather collar. Strong and durable. Nickel plated double pin buckle, metal enforced eyelets and heavy duty D-ring. Comfortable for wearing and lighter weight, can be adjusted to fit 17"-24" neck, suitable for Large breeds Trimmed with thick contrast color waxed thread for extra strength. Ideal collar for everyday use. Most suitable for Medium and Large dogs. Please measure dog's neck before you order.