Dean & Tyler Muzzle Pro with Ventilation Holes, German Shepherd Heavy duty, with leather covered steel bar which is glued and stitched for additional durability during agitation work This leather muzzle will prevent your dog from wound licking,eating of rocks,garbage, poison, etc Prevents injuries from dog fights Extremely difficult for the dog to dislodge with it's paws leather muzzle will not stick to a dog's snout in winter and will not reflect excessive sunlight Hand Crafted By Professionals