This coupon has expired Save $0.50 on TWO BOXES any flavor Fiber One™ Chewy Bars, Fiber One™ 90 Calorie Products (Bars or Brownies), Fiber One™ Protein Chewy Bars, Fiber One™ Streusel Bars, Fiber One™ Cheesecake Bars, Fiber One™ Cookies OR Fiber One™ Layered Chewy Bars