Hershey's Air Delight Aerated Milk Chocolate Candy Bar. Best before date: 07/2013. When you want a chocolate treat that leaves ordinary in the dust, you want the creamy, delicious taste and airy texture of a Hershey's Air Delight Milk Chocolate. Through the magic of Hershey's, they've aerated pure, creamy milk chocolate and formed it into 1.4-oz. bars. Now you can get all the deliciousness of Hershey's Air Delight Milk Chocolate Bars in a 24-count box. That's more than two pounds of amazingly smooth, light and delicious Hershey's Milk Chocolate goodness... just perfect for sharing!