Ostrich is considered a hypoallergenic protein, which means it's typically great for dogs who have allergies to your normal proteins, such as beef and chicken. It is an excellent mental stimulant for your dog and provides nutritional benefits: calcium, fatty acids, minerals, and cartilage. The perfect long-lasting natural dental chew, they have a unique composition with an outer layer that peels and a honeycomb interior that crumbles when chewed. Sold Individually