Jones' Crown Knuckles have scrumptious meaty tidbits and is dipped in natural liquid smoke and then oven-baked to perfection to make the perfect chew. These are best for medium to large size dogs. These knuckles have no artificial ingredients added and are the knuckle end of the USA-raised beef tibia bone from the hind leg. All Jones products are raised, sourced and handcrafted in the United States. Ingredients: beef bone, Guaranteed Analysis: Crude Protein Min. 36%, Crude Fat Min. 27%, Crude Fiber Max. 1%, Moisture Max. 5%