The Wilton 3-Cupcake Pans are round muffin pans with 12 holes, made of aluminum and coated with a non-stick surface. These pans are designed for electric ovens with a heat resistance of 450°F. The gray color adds a touch of elegance to your baked goods. With a manufacturer warranty of 1 year and weight of 1-2 lbs, these pans are durable and reliable for all your cupcake baking needs. Remember to hand wash only to maintain the non-stick coating for years to come.