Zeus Alpha TPR Dog Muzzle - Large, Black - Prevents Biting, Barking, ChewingPrevent painful dog bites and nasty accidents long before they happen. Responsible pet owners trust in the Alpha Dog Muzzle to restrain their canine companion when traveling or going to new and potentially disruptive situations. While this humane muzzle prevents pups from biting nipping barking or chewing it does allow them to drink water and pant without struggle. This large size 4 muzzle is also formulated with a comfort fit so a pup? s tail will