PET FACTORY 78107 5-Inch Chip Rolls Chews for Dogs, 22-Pack Made from u.s. feeder cattle. Improves dental health by helping to scrape away plaque, control tartar build-up and maintain gum health. Provides stimulating activity by entertaining your dog for hours and keeping his mind stimulated. Satisfies your dog s innate urge to chew, helping you to avoid destructive chewing behavior from both puppies and adult dogs. Relieves your puppy s teething pain and stimulates the growth of adult teeth.