Super durable, lighter than cast iron and oh, that gorgeous unexpected slate blue. Ideal for sheet cakes, cornbread, muffins and cupcakes, our slate blue lidded bakeware set lets you take your creations on the go or keep them fresh at home. The rectangular cake pan and 12-cup muffin tin are part of our exclusive bakeware collection that takes its cue from professional kitchens. Made of carbon steel—an alloy of 99% iron and 1% carbon that's nearly indestructible—the pans heat quickly and maintain consistent temperatures for perfectly baked foods. A double layer of silicone-based non-stick coating ensures easy release and quick cleanup. Designed with enough height to accommodate up to two inches of frosting, the sturdy lids ensure safe transport of precious baked goods and clean up easily in the dishwasher.