Hamilton Soft Dog Muzzle Black 5 To 5-1 2 Inch – HPM-1 facebook pinterest Strong soft and flexible allows drinking panting and vomiting. Color: Black. Decreases chances of biting chewing barking. Difficult for dog to dislodge. Use only with direct supervision. Quick fit. Adjustable. Material: Nylon Plastic. Length: 5″ – 5.5″.