Pizzle stuffed beef esophagus is an all-natural dog chew. Esophagus is stuffed with irresistible beef pizzle. These all natural chews are perfect for small or medium dogs. These treats will help with the cleaning of your dog's teeth and aids in the prevention of plaque and tartar! Additionally, they are filled with natural glucosamine, an amino acid shown to help maintain proper joint health. These are completely preservative-free and additive-free.