It is a whole USA sourced natural beef femur bone from the hind leg, this means that get two knuckles on each end, along with the
center bone. What a deal, 3-in-1! Measuring approximately 16 to 18 in long, with no artificial ingredients, this product is best
for medium to large dogs. The jumbo bones have meaty pieces on the whole bone and are dipped in liquid smoke. All Jones' products
are 100% grown and made in America.