Jones' 10 12 beef Rib Bones are slowly roasted in the oven and have a hint of natural liquid smoke flavoring. They contain no artificial ingredients and are a great chew for medium to large size dogs. Rib Bones come from USA beef. All Jones products are raised, sourced and handcrafted in the USA. Ingredients: Beef bone. Guaranteed Analysis: Crude Protein Min. 20%, Crude Fat Min. 8%, Crude Fiber Max. 3%, Moisture Max. 9%