Milk Bone, 18.9 OZ, Mini, Bone Brushing Chews, When Given To Your Dog Daily Are As Effective As Brushing His Teeth Twice A Week In Reducing Tartar Build Up, Hold The Veterinary Oral Health Council Seal Of Acceptance For Tartar Control, & Clinically Proven To Cut Down On Tartar & Fight Bad Breath, Provides 12 Essential Vitamins & Minerals, Patented Design That's Made To Twist As Your Dog Chews To Clean Even Hard To Reach Teeth With Its Bristle Like Nubs & Ridges.