These Muzzles are great for the Dog Groomer or Veterinarian who sees a variety of different sized dogs. Loft's Muzzles are adjustable in diameter due to the ingenious top flaps that have 2" wide heavy duty hook & loop sewn in place that allows the handler to ajust the muzzle to the perfect size to fit the dog. To choose the proper size muzzle you determine the length of the animals snout then adjust to fit. Made from heavy duty 440D Nylon. Available in Black only.