Barkworthies Cow Tail 6oz Barkworthies Cow Tails (6 oz.) are all-natural, crunchy-chewy chews suitable for all stages of life. These highly palatable, high protein chews have a unique texture and shape that helps inbrush awayin built-up plaque and tartar, promoting oral health and helping prevent bad doggy breath. Our Cow Tails are highly digestible chews produced from free-range grass-fed cattle. Most Barkworthies' all-natural dog treats and chews are completely preservative-free and additive-free. Please note that this product is not for human consumption. Please supervise your pet while giving a treat or chew and dispose of properly if it becomes a choking hazard or develops sharp edges.