Jones' Pork Dino Bone is a whole USA natural pork bone with knuckles on each end. It is the perfect chew for small size dogs who are not aggressive chewers. It has been dipped in natural liquid smoke, oven-baked, with no artificial ingredients. All Jones products are grown and made in the USA. Ingredients: pork bone. Guaranteed Analysis: Crude Protein min 25%, Crude Fat min 30%, Crude Fiber max 3%, Moisture max 6%