Petrodex dental chews are used daily. Patented dual-enzyme formula. Clinically proven plaque reduction and tartat control. Made from real beefhide. Freshens breath. Beefhide Malto-Dextrin Dextrose Poultry Digest Hdrolyzed Vegetable Protein Primary Dried Yeast Glucose Oxidase Dried Whey Protein Concentrate 8 OUNCES