Pawliss Adjustable Anti-biting Dog Muzzle Leather Black Xlarge [PLEASE MEASURE YOUR DOG BEFORE PURCHASING] SIZE MAP is on the 5th picture. Protect your children when staying with dogs, also protect your dogs from eating leftovers in the street. Material: leather, durable and sturdy. Mesh design, well ventilation. The leather loop in the back easily connects to the collar or leash. Offers great protection, also makes your dog look cool!