Our dehydrated Cut Beef Trachea treats are hollow chews made from the windpipe of a cow. Their shape allows them to be filled with a variety of other products, such as your dogs regular food, making them even longer lasting. The cartilage that lines the outside of the trachea is rich in glucosamine and chondroitin, aiding healthy joints. These treats are also a perfect crunchy treat if you are looking to keep your puppy busy!