WHIMZEES dental chews clean teeth, freshen breath and reduce tartar & plaque. Treat them to a chew once a day to fight bacteria and promote overall health! They help reduce plaque and tartar and last 3 times longer for more cleaning time per treat! They're made with all natural, gluten free, hypoallergenic, non-GMO and vegetarian ingredients with no artificial colors, flavors, or preservatives.