Dog treats. Natural bone filled with tasty filling! Long lasting. Tasty filling! At Redbarn quality is No. 1. Natural bones are filled with tasty fillings for hours of long lasting enjoyment. Filled Bones make excellent treats for dogs of all ages and are ideal for dogs who suffer from separation anxiety, for dogs traveling long distances in the car or for puppies simply feeling the need to chew! Questions? Call (800) 775-3849. www.redbarninc.com. Calorie Content: ME (Calculated as fed): 1,214 kcal/kg 275 kcal per bone. Made in USA.