Show your dog you love them with Milk-Bone GnawBones Knotted Bones Made With Real Chicken. These long-lasting dog treats feature a classic knotted bone design that encourages chewing to help clean teeth. Made with real chicken, the treats have a rich savory flavor dogs love. These rawhide-free bones are easy on your dog's digestive system. Feed as a snack or treat as part of your pet's regular diet. Milk-Bone products are made with high-quality ingredients that meet applicable standards and specifications of the U.S. Department of Agriculture, Association of American Feed Control Officials, and U.S. Food and Drug Administration.