Barkworthies Smoky Pig Femur Bones average 6 inches in length and are baked with pieces of meat and tendon giving them a natural flavor and making them a highly appealing dog chew! These tasty bones are center cut from the femur and are as natural as they come. Femur Bones are full of nutritious marrow, providing your dog with a highly digestible source of calcium. Calcium intake is crucial for your dog's body to maintain strong bones and teeth. Barkworthies Smoky Pig Femur Bone is also high in Iron and Zinc which helps your dog's body fight off infection, maintain a healthy immune system, provides energy to help support brain functions and gives them a zest for life!