Material: Carbon SteelShape: RoundSpecial feature: Freezer safe, Oven-safeSpecific uses for product: Freezing, BakingAbout this item: Nonstick Pizza Crisper Trays with Holes perfect for family party or Pizza Bar.Reinforced nonstick coating provides easy release of your pizza pies from the screen and simplifies cleaning.Commercial professional quality heavy-gauge carbon steel core with superior heat conduction properties makes the pan sturdy, while evenly distributing heat and eliminating underdone or overcooked spots.Specially designed perforated holes allow oven heat to penetrate the center of baked goods evenly to give homemade or store-bought freeze pizzas a perfectly cooked crust each time.