Made of commercial grade carbon steel for better baking, roasting and grilling durable design quantum ii technology master class bakeware 20 year guarantee and 5 year non stick guarantee dishwasher safe the master class non stick baking tray is a versatile tool for all your baking, roasting, and grilling needs'. '.strtoupper('m')ade of commercial grade carbon steel, this tray offers superior heat distribution and durability'. '.strtoupper('t')he quantum ii technology ensures excellent non stick properties for easy food release and effortless cleaning'. '.strtoupper('a')s part of the master class bakeware collection, this tray represents exceptional craftsmanship and functionality'. '.strtoupper('w')ith a 20 year guarantee and a 5 year non stick guarantee, you can trust this baking tray to deliver consistent results'. '.strtoupper('a')nd when you're done, simply place it in the dishwasher for quick and easy cleanup.