The Inspire oven tray is made from heavy gauge carbon steel for even heat distribution and perfect cooking results. It features a CushionSmart non-stick surface for better air circulation, consistent browning, and easy food release. This durable tray is freezer, fridge, oven (up to 240C/gas mark 9), and dishwasher safe, offering versatility and convenience. It comes with a 25-year guarantee for quality and durability.