The PureBites Freeze Dried Beef Liver Dog Treats are 100% natural and easy-to-digest raw beef liver. It is made from pure USDA inspected raw beef without any added preservatives. These treats are ideal for dogs that are on a restricted diet, overweight, those who have allergies, diabetic dogs, gastrointestinal disorders and other health issues. The beef used were made using a delicate freeze-drying process which preserves the food and its nutritional integrity. These dried beef liver dog treats can be part of their daily diet or as their training aid. Available in 2.0 oz., 4.2 oz., and 8.8 oz. pouches.