Blue Buffalo™ Wilderness® Wild Bones™ - Medium 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 dogs 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. Theyre 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. For Dogs 25-50 lbs. 100% Grain-Free With Added Vitamins & Minerals No Chicken or Poultry By-Product Meals No Corn Wheat or Soy No Artificial Colors, Flavors or Preservatives Made in U.S.A.