ful nylon dog muzzle is perfect for your education and training. It allows us to control the pulls of our pet when you go for a walk. Quick and adjustable closure. Made from durable materials to ensure durability. Selection of the correct muzzle for your dog: take the exact measurements of the dog. The muzzle should not be very tight. Place the muzzle on the dog. Place the index finger in order to check that the muzzle is not too tight. Dog should be able to pant and move tongue with ease. It is preferable to place the muzzle looser than too strong.