Preferred Popcorn Extra Large, Non-GMO Popcorn Kernels, 28 Ounce bag Pack of 4 Grown in the United States by experienced popcorn farmers. Each 28 oz bag of kernels will pop up to 150 cups of popcorn - less than four pennies per cup of popped popcorn! Originally designed for movie theaters, these unique kernels pop into extra large flakes of fresh, delicious popcorn. You can feel great about this healthy snack with only 31 calories per cup, more iron than spinach and loads of fiber.