Give your pal a natural treat with a Chasing Our Tails Smoked Beef Marrow Bone Dog Treat! This tasty bone comes from USA-sourced cattle and offers a naturally hickory smoked flavor. It is made without formaldehyde, preservatives or mold inhibitors, as these products can change the bone's flavor and may eventually lead to health problems for your pet. These smoked treats are the real thing and have a significant amount of marrow that will have your pup drooling with delight! Made with USA sourced beef.