Small treats for dogs. Helps to clean teeth & freshen breath. With Odorshield crystals. Hartz Nutri-Fresh Chew contains Odorshield crystals with chlorophyll. These crystals combined with its coarse texture, help clean teeth and freshen breath as your dog chews. Hartz Nutri-Fresh Chew can be used daily in addition to regular veterinary visits as a great way to maintain your dog's dental health. This product is intended for intermittent or supplemental feeding only. Made in USA.