Wilton-Silicone Precision Patterns: Trellis. Make detailed cake decorations using this silicone mold! This flexible silicone mold makes it easy to achieve greater detail in less time. This package contains one 7x5-3/4 inch silicone mold. Imported.

I am happy to announce, yes you can bake polymer clay in them. I tested at 275° and the clay popped right out afterwards. The mold didn't discolor although this is just one baking. There doesn't seem to be any degradation of the silicone mold. I would feel safe baking in them on a regular basis.