Zeus Alpha Dog Muzzle - Black - Extra Large - Size 5 - Prevents Biting, Barking, ChewingKeep your dog humanely under control during stressful situations with the Zeus TPR Muzzle. It helps to prevent biting and chewing but lets your pet drink pant and accept treats to reward good behavior. The material is durable and flexible and the basket design allows for cooling airflow and ventilation. This Alpha dog muzzle has adjustable head and neck straps for a snug and comfortable fit as well as a hook to attach to the collar.