Premium Pork Chomps 6” Roasted Twists are rawhide-free dog chews. Low Fat, high in protein. Roasted Twists are pork skin dog bones that are long lasting, dye-free, preservative-free, and contain no artificial flavors. Roasted Pork Chomps are made from two ingredients. Veterinary Recommended Premium Pork Chomps are safe & healthy rawhide alternative dog bones. In 2012, The University of Illinois College of Veterinary Science conducted a study which proved pork skin to be fully digestible and significantly more digestible than beef rawhide. Jungle Jack Hanna has endorsed the Premium Pork Chomps brand as a safe and healthy rawhide alternative. 6” Roasted Twists are perfect for Small Dogs, Medium Dogs, and Large Dogs.