C.E.T.® Enzymatic Oral Hygiene Chews for Dogs, featuring the exclusive Dual-Enzyme System, are made from select beefhide to combine a natural antiseptic plus an abrasive texture that works with the dogs chewing action to loosen tartar and provide clinically proven plaque control. Helps clean teeth and freshen breath even when brushing isn’t possible. Appealing poultry flavor. - Helps keep teeth clean and breath fresh, even on days when brushing isn’t possible. - Tasty poultry-flavored chew may be given daily. - Available in petite, medium, large, and extra-large sizes and in 15-count and 30-count bags, depending on size.