Ingredients: 100% beef lungs 
Package size: Approximately 4 oz.
Highlights:
- Our air-dried beef lung is rich in iron, B12, and selenium
- These high-protein, low-fat treats are larger in size and are light and crunchy
- We only offer our USA-sourced lungs in one size; this beef bag is the size of our large meatball bags (7.5 x 11 inches)