Material-Carbon Steel Brand-Zyliss Colour-Dark Blue Shape-Rectangular Made with a double wall of carbon steel for added strength to ensure it doesn't warp and designed to be perfectly flat, this tray is ideal for getting bakes onto the cooling rack without any breakages. Made from heavy-duty carbon steel that won't warp, this pan is easy to clean, simply hand wash in warm soapy water, rinse and dry thoroughly or pop in the dishwasher. As with all non-stick metalware - never use metal scourers or harsh abrasives. With over 70 years of experience in designing high-end food preparation tools, utensils and gadgets, it is easy to see how Zyliss has become an internationally respected brand, favoured by everyday cooks as well as gourmet chefs. Zyliss now boasts an appealing and distinctive portfolio of thoughtfully designed, carefully constructed kitchen tools. Many Zyliss products have a 5 year guarantee or more, ensuring a long lasting quality experience and customer satisfaction. Cook & Bakeware: Perfect for many foods, the 2-layer sheet makes this an ideal sheet pan Durable Non-Stick Cooking Sheet: Rolled edges provide added strength and resistance to warping Baking Pans for Ovens: This non-stick cookie sheet is designed to withstand temperatures up to 475 F Carbon Steel Bakeware: This long-lasting baking sheet offers even heat distribution while baking Zyliss Kitchen Accessories: Zyliss kitchen tools are favored by everyday cooks & gourmet chefs alike