Great Jack's is a soft, healthy dog treat made with irresistible flavours. Crafted using 60% pork liver and cranberries then mixed and slowly kettle cooked into a soft training treat that can be easily broken into smaller portions to reward your best friend. Cranberries are a great source of antioxidants and are rich other vitamins and minerals such as vitamin C and fibre, great for supporting the immune system, bladder and urinary health.