Seen in some movies? Maybe this is a totem of some mysterious tribes. It is a barococo touch of your interior.
These friezes are made of magnetic material. So it can be fixed on any ferrous surfaces (including your refrigerator).
You can find ferrous painting stuff in any DIY stores. And if you haven't had the time to lay the ferrous paint, you can also put some double face tape on the back of these friezes.