Brutus & Barnaby Knuckle Bone Best All Natural Lasting Dog Bone Beef Knuckle Is A Smoked, Meaty Bone With Natural Marrow Inside For Your Dog, Two Sizes For Your Large Or Small Dog Your Dog Will Love This Bone And It Will Keep Him/Her Occupied, Happy And Out Of Trouble For Hours. Helps Dogs Expend Pent Up Energy. Available In 2 Sizes For Your Large Or Small Dog Sourced From Grass Fed Cattle 100% All Natural Bone, No Artifical Or Chemical Additives Natural Marrow Has High Quality Nutrients For Your Dog Providing Ingredients That May Be Missing From Their Current Diet. Keeps Your Dog Coming Back For Hours. Cartilage And Soft Tissue Still Attached Provides The Equivalent Of A Good Tooth Brush And Floss