Jack&Pup Beef Marrow Bones | 3" Dog Bones Long Lasting (6 Pack) Single Ingredient Dog Bone, Smoked Flavored, Roasted Beef Bones for DogsRICH MEATY FLAVOR Jack & Pup bone marrow dog bones are slowly roasted and naturally smoked along with chunks of meat, to enhance their flavor and provide a hearty and savory dog chew bone. Every Jack&Pup marrow dog bone is fully packed with delicious high density marrow. NATURAL & HEALTHY The marrow bones for dogs are full of essential Omega 3 fatty acids, vitamins and minerals (calcium, phosphorus, iron, zinc, selenium, magnesium and manganese). Each