Calorie Content (calculated): Metabolizable Energy (ME) 3020 kcal/kg; 300 kcal/treat. No artificial flavors. Long lasting treats. Loved since 1908. Made with USA raised chicken. Rocks & wobbles! Easy on the digestive system. Stimulating & paw able fun! No meat by-product meal. Cut. Feed. Fold. milkbone.com. Visit us at milkbone.com. If you have any questions about Milk-Bone Wonder Bones dog treats call 1-888-Milkbone (645-5266), weekdays. Please include the product manufacturing code in consumer correspondence. Produced in Topeka Kansas, USA.