1,Good palatability 2,Complete and scientific formula 3.100% pure natural 4.Cleaning tartar effectively 5.ISO,FDA,HACCP,EU This unique design enables it fit each tiny parts of tooth and clean the tartar . The ingredient of Xylitol can inhibit streptococcus and acid , promote saliva secretion , slow down the decline of pH , reduce teeth acid etching , prevent cavities and reduce dental plaque , ...