Natural & artificial. Accented with real parsley. Helps reduce plaque & tartar buildup and freshen breath. Added calcium to support teeth & strong bones. Resealable zipper. A wholesome and tasty treat that's good for your dog's teeth. Purina: Your pet, our passion. To find out how we can help you provide a long, happy and healthy life to your pet, ask Purina at Purina.com. Questions or comments? Visit us online at Purina.com or call 1-888-Beneful (1-888-236-3385). Twitter: (at)Purina. Facebook: facebook.com/Purina.