All of our dog chews and treats are subject to a strict quality control and testing. Your satisfaction—and your dog's—is guaranteed with every purchase. Satisfies dog's chewing instincts with no harmful chemicals! They also keep their gums healthy! All our Beef Esophagus Chips come from grass-fed and free-range animals and are 100% natural. They are produced using only prime meats and without any chemicals or ingredients that can make your dog sick. Always supervise your dog while chewing a toy or treat. Wash hand thoroughly before and after handling. All of our dog chews and treats are subject to a strict quality control and testing. Your satisfaction—and your dog's—is guaranteed with every purch