Again, one of our most popular items, Beef Trachea is a good source of natural Glucosamine, so it may help relieve your dog's joint pain. All of our "One Ingredient" items are Made in the USA with just one ingredient. Our raw materials are tested for quality, 100% natural, and produced in a USDA certified facility. No added salt, sugar, flavors, preservatives, or coloring. These products will satisfy your dogs' natural urge to chew and promote dental health by cleaning their teeth and gums. All products are handmade in the USA. Feeding Instructions: Supervise Use. Feed as a treat or reward. Intended for intermittent or supplemental feeding only. Wash hands after handling.