Made for every dog of every size, BarkBone™ long-lasting nylon chews are uniquely manufactured for a realistic look, feel, and taste. Our BarkBone Natural Instincts Stick has a natural look and texture for easy pickup and plenty of nubs and knots to chew. Allergen-free peanut butter flavor and natural grain ingredients are infused to the core and are released as the dog chews and will satisfy even the toughest chewers. BarkBones are proudly made in the USA.