Made from 100% beef trachea. These products contain no hormones, chemicals or additives. As with all natural products, please allow for slight size & shape variations. Beef trachea contains cartilage, which is a natural source of chondroitin, as well as glucosamine and collagen. Chondroitin and glucosamine help to support good joint health and can help with arthritis. A safe and long-lasting treat, suitable for strong chewers. As product is chewed, it can turn into small, safe bits that are 100% digestible. Low in fat and high in protein This treat also promotes gum and dental health, by helping to remove plaque and tartar build up.