C.E.T. Enzymatic Oral Hygiene Chews for Extra Large Dogs (51+ Pounds) - 90 (chews) by Virbac Combines natural antiseptic activity with abrasive action for clinically proven plaque control Exclusive Dual-Enzyme System eliminates plaque-forming bacteria Made using select beefhide, for veterinary use only Give your dog at least 1 chew daily to reduce plaque and calculus Please read all label information on delivery