ProDen PlaqueOff Sytem Mini Dental Care Bones are dog chews with the PlaqueOff System which help clean plaque and tartar by abrasive action. Used daily, this natural product made with sea kelp can complement ordinary dental hygiene. Nutritional Info Ingredients: Dried Potatoes, Vegetable Glycerin, Water, Dried Kelp, Sweet Potatoes, Carrots, Alfalfa Nutrient Concentrate, Flaxseed, Dried Bacillus Coagulans Fermentation Product, Lecithin, Algae Meal, Citric Acid (A preservative). Approximately 50 kCals per treat.