Evanger's Nothing But Natural Freeze-Dried Beef Lung Treats for Dogs & Cats, 6-3.5 oz.

Beef Lung is a unique single-source protein that is rich in essential fatty acids. Gluten-free, grain-free, and never uses additives or artificial ingredients. Because of the palatability and wholesomeness of these treats, they are excellent for finicky pets or pets with food sensitivities, as well as for use as a training reward or food mixer.