Beef trachea is packed with glucosamine and chondroitin which has been shown to promote healthy joints in dogs. Beef Trachea Dog Chews are a single-ingredient dog treat making fully digestible and a healthy, naturally flavored alternative to chemically processed treats, chews and rawhide. Because this is a natural treat, its sizing, color and appearance may vary this is normal. You may also notice a natural scent and oil while your pal chews; this natural oil may stain your furniture, carpeting or other surfaces. To prevent injury and choking hazard, please watch your pet while they enjoy this treat and be sure to choose the appropriate size chew. If this product splinters or develops sharp edges, throw it away immediately for your pet's safety.