Feed your pup a quality treat with K9warehouse Beef Chunks Natural Dog Treats! This single-ingredient treat is made with 100% beef lung, which has been chopped into bite-sized cubes that pack a lot of protein and flavor. Rich in riboflavin, pantothenic acid, potassium, zinc, copper, vitamin C, niacin. Vitamin B12, and iron, these beef lung treats are a healthy way to let your pup know how good he is. Plus, each bite is completely free of fillers and grain, so you don’t need to worry about feeding him ingredients he doesn’t need any time you want to give him a tasty snack.