Kirkland Signature Dental Chews, 1Every dog deserves clean teeth! Grain free and gluten free dental chews are safely digestible, with no artificial colors, flavors or preservatives. The chews are two sided, with a groove and multiple levels of ridges and nubs to help clean teeth and reduce plaque and tartar from a variety of angles: the easy "paw grip" handle is designed to work with your dog's natural, instinctive chewing style. Grain Free Gluten Free 72 box count