This is a Birkmann silicone Happy Birthday cupcake mold.
This non-stick silicone mold is yellow in color and holds 6 birthday or wedding cake-shaped cupcakes. It is oven-resistant to 240 degrees centigrade and freezer-resistant to -60 degrees centigrade.
The mold measures about 3" deep, 6.75" wide, and approximately 11" long.
It is in good pre-owned condition in the original packaging.