This Loop Muzzle is made of 1/8" thick genuine leather and riveted for extra strength. Used by groomers, veterinarians, trainers and kennel handlers for temporary muzzling. Dog must be supervised when wearing this Muzzle. Features 3/4" wide adjustable snout strap, 1/2" wide adjustable neck strap, and nickel plated buckles. Most suitable for Medium size dogs, can be adjusted to fit 10.5"-12.5" snout. Please, measure your dogs snout before you place the order to insure this is the correct muzzle size you need.