Barky Bark is made from beef esophagus that is slow roasted in their own natural juices to bring out the natural flavors that dogs love. Esophagus is made up of cartilage which is a natural source of chondroitin and may help to support joint function. The chewy texture also helps promote dental health.Features. Natural Barky Bark.. Natural source of chondroitin.. Single ingredient.. Natural dental aid.. Delicious flavor and texture that dogs love..Redbarn Pet products