The PureBites Freeze Dried Duck Liver Dog Treats are made from 100% USDA inspected duck liver. The treats are pure and rich in nutrients that your dogs need to achieve a balanced diet and to live a happy and healthy life. These easy-to-digest treats have an average of 3 calories per treat and do not contain any added preservatives. Duck liver is the only ingredient used, which is a great treating solution and a hypoallergenic protein that is perfect for dogs with allergies. It is also perfect for dogs who have health issues like diabetes, dogs who are overweight and those who have specific dietary requirements. The duck liver used was made using a process called freeze-drying, which preserves the food and its nutritional integrity. The dog treats can be served as a healthy daily treat or a training aid for your pets. The product is available in a 1.23 oz. (35g) sized resealable pouch.