Introducing the Redbarn Beef Filled Bone Dog Treat. Satisfy your power chewer with this all-natural white beef femur bone stuffed with an irresistible filling. Not only does it taste great, but chewing provides natural stress relief and plaque removal. Once the filling is gone, you can conveniently refill it with your own fillings, like peanut butter! Reward your pup with a nutritious and tasty treat.