Natural Farm’s grass-fed Cow Hooves combine flavor with fun. Each hoof lasts and lasts. Boost the fun by adding peanut butter or another ingredient for full mental stimulation. A unique and simple way to provide your dog with entertainment while cleaning their teeth. A healthy way for your dog to release pent-up energy or anxiety. Perfect for medium chewers. Never treated or rinsed in chemicals and always free of synthetic preservatives.