This silicone Muffin Pan is so easy to use, all you need to do is butter it, bake it and pop it out! Heat resistant up to 428°F (220°C), it features reinforced steel rims for secure handling. This handy muffin pan is also microwave and freezer safe, with each cavity holding about 1 cup, it becomes a versatile portioning tool in your kitchen! Freeze soup, stock and sauces for quick meals later. Pop them out and store in one of our reusable storage bags.