A pie box is a type of packaging that is specifically designed for pies. It is typically made out of cardboard and has a lid that is either hinged or removable. Pie boxes usually have a window on the top so that the pie can be seen. There are many benefits to using pie boxes. They protect the pie from being damaged and they make it easy to transport. Pie boxes also make it easy to store the pie. Pie boxes are available in a variety of sizes. The most common size is a 9-inch pie box. However, there are also smaller and larger sizes available. The cost of pie boxes varies depending on the size and the material that they are made out of. However, they are generally very affordable. Pie boxes can be purchased from most craft stores. They can also be found online.