Dick Van Patten'S Natural Balance Fresh & Clean Dental Chews Dog Treats, Medium Unique Grooves Encourage Healthy Chewing Action And Removal Of Tartar Formulated To Support Easy Chewing And Digestion Mechanical Chewing Action Helps Remove Tartar, Which May Cause Bad Breath Added Vitamin C, A Key Antioxidant Nutrient, Helps Support Immune Function Ingredients Like Spearmint And Parsley Help Freshen Your Dog'S Breath