Introducing the exclusive stylish Police Series! This dog muzzle works so well, we had to patent its design because it allows your dog to breathe normally while at the same time restricting aggressive behavior. Looks great and feels great for your pet. Made from patented Dupont fabric which is exceptionally resistant to abrasions, punctures and tears. Almost impossible for pets to pull off. 5 Sizes Available. Small, Medium, Large, X-Large, Giant. Full breathing. No biting. Patented.