Go Bark Ball uses the latest and greatest technology to give your pup the most innovative dog ball at the park! The Bark Ball is a solid blend of natural rubber designed to hold strong against tough chewers. We are so confident in the Bark Ball's durability standard, we have backed each ball with a lifetime guarantee. The Bark Ball is not only indestructible, but also gives with each bite to promote healthy jaw and tooth development. Researchers report that dogs can see blue best, so each ball is a beautiful "Bark Ball" blue. Order your Bark Ball today and give your pup something to bark about!