Calorie Content (calculated)(ME): 3091 kcal/kg, 349 kcal/piece. 20-74 lbs. Natural bone-shaped dog chew. No corn, wheat or soy. Instinctually satisfying. Natural edible. Natural with added minerals. Rawhide free. Prime Bones is a safe, naturally edible treat made to satisfy your dog’s instinctual love of chewing. Long-lasting chew. No artificial colors, flavors or preservatives. Rawhide & plastic free. purina.com. how2recycle.info. Produced in USA facilities. Printed in USA. Made in Dunkirk, NY.