Hartz Crunch N Clean 3-Ounce Cat Treat Contains Patiented Dentashield That Reduces 3X The Tarter Of Other Cat Treats As Your Cat Chews Dentashield Coats Teeth With A Protective Barrier That Blocks New Tarter Formation And Leave Teeth Cleaner Longer Veterinarian Formulated With Essential Vitamins And Minerals Plus Taurine Less Then 2 Calories Per Treat