This item is a Wilton Bunny Rabbit Cake Pan, a non-stick metal baking mold frequently used for Easter-themed cakes, bread, or gelatin.
The pan features a detailed bunny face with a bow tie. It is typically available in dimensions around 12" x 8" x 2" or slightly larger variations like 11.5" x 8.5" x 1.5". It is widely recognized by its gray, non-stick finish designed for easy release of baked goods.