Fat Daddio's Silicone Bakeware Hemisphere, 4 Ounces Flexible and versatile; Safe to use in the freezer, microwave and oven FDA approved food grade silicone and durable enough to handle the daily use of commercial kitchens Perfect for baking, mousse, gelatin, ice sculptures, chocolate, craft applications and many more Sealed with a high-temperature process which creates a natural non-stick surface Temperature resistance to 550-Degree; Hemisphere, 4-ounce, 3.15-inch by 1.57-inch deep, 5 cavities