Make the perfect muffins, cupcakes, cornbread or more with the Martha Stewart 12-cup muffin pan. Ideal for baking for the family or kids and it's perfect for any occasion. Made of pure aluminum that won't rust and heats evenly for consistent baking results. The reinforced rim prevents warping at extreme temperatures and can take up to 400 degrees Fahrenheit. Make this Martha Stewart collection a part of your kitchen.Details:Silver13.75" x 10.5" x 1"0.90 lb.Rust resistantCan take up to 400 degrees FahrenheitAluminum