Udder is cut into small pieces for training. It is convenient to take for a walk, for classes at home, training puppies with a dog trainer or to create intellectual games. Udder contains calcium, magnesium, iodine, iron and many other trace elements that are good for the skin and coat of dogs. Suitable for all breeds of dogs and puppies aged 2.5 months. There are two sizes: mini - for small breeds up to 5 kg. Maxi - for medium and large breeds from 5 kg.