Steel baking tray with oblique edges 60 x 40 cm: This black steel plate tray gives perfect heat transmission. Thickness: 1.2 mm: This kind of steel plate is perfect for baking; it will not stain the bottoms of cakes or croissants. The surface of this steel plate is microroughened, creating an air mattress between the food to be cooked and the metal. Very resistant to long-lasting temperature changes. Made in France.