The Beeztees muzzle offers maximum safety without compromising the dog's comfort. Wearing a muzzle may be necessary if the dog exhibits inappropriate or aggressive behavior towards other animals and people, if it tends to eat everything outdoors, or to prevent it from licking injuries or wounds. This muzzle is designed so that the dog can still pant, eat, and drink. It is also easy to give treats as a reward during behavior training. - Secure attachment option to a regular collar - soft neoprene protective layer for extra comfort - available in 6 sizes. Sizes suitable for dog breeds: - 1: Border Terrier, Jack Russell Terrier - 2: Cocker Spaniel, Beagle - 3: Collie, Staffordshire Bull Terrier - 4: Pointer, Pit Bull - 5: Labrador, German Shepherd - 6: Great Dane, Rottweiler.