Dogs My Love Adjustable Leather Loop Bite Bark Control Easy Fit Dog Muzzle Black Large The snout loop is adjustable. You can slide it in any direction at the crossing. Made of 1/8" thick 1/2" wide genuine leather. Used by groomers, veterinarians, trainers and kennel handlers for temporary muzzling. Dog must be supervised when wearing this Muzzle. Features 1/2" wide adjustable 8-shape snout/neck strap, and nickel plated buckle. Most suitable for Large size dogs, can be adjusted to fit 17"-22" neck circumference. Please, measure your dog before you place the order to insure this is the correct muzzle size you need.