Veterinarian recommended. Harper's Dental Chews Chewy Rawhide Snacks are a softer rawhide chew, providing an easier chewing alternative for puppies, small, and senior dogs. Dental Chews Chewy Rawhide Snacks are coated with HMP (Hexametaphosphate) and contain chlorophyll, which help reduce plaque & tartar build - up, and freshen breath. Harper's Dental Chews Chewy Rawhide Snacks are made from a combination of ground rawhide and corn meal, providing your dog with a softer chew than regular rawhide. Harper's chewy rawhide snacks are made with no preservatives so the natural flavor is maintained. Made in USA.