All PAWK dog treats are a single source protein, made from 100% Australian Pork grown on our own farms. Gently air dried, there's no artificial colours or flavours, no preservatives , no fillers - in fact there's no nasties at all. Just natural, quality assured treats for your dog. These 100% natural pork heart pieces are the perfect training treat with their irresistible aroma. A natural source of B12 and Zinc, they support skin and coat health and energy metabolism.