With this revolutionary toy you can finally get your dog to floss. These fresh-tasting, one-of-a-kind rope bones contain actual dental floss twisted in with all-natural cotton fibers. In addition, the BOODA Fresh "n" Floss contains baking soda to fight plaque and control tartar. All this and these rope bones are non-invasive and non-irritating to sensitive mouths and gums. Classified as a tough toy are great for aggressive chewers.