Foxnovo 16cm Adjustable Nylon Pet Dog Puppy Safety Muzzle Mouth for Stopping Biting Barking Nipping Chewing (Black) Color: mainly black. Material: durable soft strong fabric nylon. Snout circumference: about 16cm; Muzzle length: about 4cm. Great for top handlers, trainers, and other professionals to work with strong, forceful dogs. Soft and comfortable for your beloved pet dog puppy to wear With a fully adjustable strap and quick release buckle, for easy to use.