Beef Roasters are a light, easy-to-chew treat made from slow roasted beef lung. These treats are naturally high in protein and low in fat. They are baked to a light, crispy, rich finish that is full of flavor and easily digestible. Beef Lung is great for Cognitive Brain Health and Immune System Support. These bite sized treats are excellent as a Training Tool for dogs of all sizes. They are intended as a treat, not a food. Natural Cravings Beef Roasters do not contain any dyes or chemicals. We do not smoke them or use smoky juice.