For a glimse for this white pizza box,that would not have a special impressed for you. Once torn up,you will find it magic.

Two parts of pizza box,the left is base board,the right is the covering plate of box.

All small parts after aparted from that white pizza boxes.The base board is folded into another box.

Final photo of actual use of these small aparted.

To contain rest food into refrigerating chamber.