SmartBones chews have all the benefits of a rawhide chew…without the rawhide. No-rawhide SmartBones chews are made with real chicken, beef, bacon and cheese or sweet potato and wholesome vegetables for a scrumptious taste dogs cant resist.SmartBones DoubleTime Chews are made with real chicken and wholesome vegetables for a scrumptious taste dogs cant resist. These fun bone-shaped chews have real chicken and vegetables on the outside around a long-lasting chew center inside for delicious entertainment. These rawhide-free chews are vitamin and mineral enriched and easy to digest.