Give your dog a treat that's perfectly made for a carnivore with the Nature's Logic Beef Lung Steak Dog Treat. It's made with only one ingredient―100% natural, high protein, USA sourced, USDA prime beef lung, with no preservatives or additives. It's highly digestible so it's great for everyday chewing, and helps support dental hygiene by working to keep clean teeth with every tasty gnaw. Chewing also helps soothe stress and keep pups entertained. Plus, it's all made in the USA from cows from the Midwest.