BLUE Wilderness Wild Bones are the 100% grain-free treat made to satisfy the spirit of the wolf that lives in every dog. Made to look just like something the wolf pack would search the forest for, these Wild Bones will help clean your dog's teeth as well as freshen his breath. Made with only the finest natural ingredients, Wild Bones dental chews are free from both grains and glutens. They're 100% chewing pleasure any dog will love. Like all BLUE Wilderness treats, Wild Bones contain no artificial colors, flavors or preservatives so your dog can satisfy his primitive instincts the way nature intended.