mesh breathable dog muzzles prevent barking anti- biting chewing adjustable pet training mouth muzzle for aggressive dogs puppy

please measure the dog need what size before order. measurement methods: mouth circumference:when measuring, please measure near the nose. mouth length:dog the length from the bottom of the mouth to the neck adjustable& secure the dog muzzle is adjustable, and the nylon neck strap is easy to wear and install. a plastic buckle on the neck strap which prevent the muzzle falling off comfortable&breathable the muzzle use breathable mesh material make the dogs feel more comfortable and breatha