Jones' Knee Cap is a strong and durable bone, great for powerful chewers. This Knee Cap is surrounded with meat and has a hint of liquid smoke to hit the spot! The Knee Cap does not contain any artificial ingredients and is a natural USA-raised beef Knee Cap from the hind leg. All Jones’ products are raised, sourced and handcrafted in the USA. Ingredients: beef bone. Guaranteed Analysis: Crude Protein Min. 37%, Crude Fat Min. 29%, Crude Fiber Max. 1%, Moisture Max. 5%