Dogline Metal Wire Basket Dog Muzzle for Saint Bernard, Newfoundland, and Similar Breeds L 4.75-in x C 19-in (Size STB) Size STB / L 4.75-in (12-cm) x C 19-in (48-cm) Dog is able to drink with this muzzle on Perfect for Vet, Training, Grooming, Walking. True Multipurpose Muzzle Very Well Ventilated Muzzle. Long term wear Lightweight, Padded and Comfortable