NEW Feline Greenies is scientifically formulated and clinically proven to mechanically reduce tartar buildup that can cause bad breath. As a treat between meals, Feline Greenies work like a little toothbrush to scrub your cat's teeth. Natural formula with added vitamins, minerals taurine and chlorophyll Less than 2 calories per piece Crunchy texture helps reduce tartar and plaque build-up 100% nutritionally complete and balanced for adult cats Feline Greenies is naturally preserved and have a taste your cat will love! Available in four great flavors, try them all!