Pet Dog Nylon Adjustable Loop Bite Bark Control Easy Quick Fit Dog Muzzle With Leash Made of quality nylon, strong and durable Size : Large, fits snout size 3.9 - 11.8 inch, neck size 13.7 - 18 inch Used by groomers, veterinarians, trainers and kennel handlers for temporary muzzling. Measure instructions: use a measurement tape and wrap it around your dog's muzzle right around the nose; measure your dog neck size also . Neck strap is adjustable to fit your pet neck size