This oven tray has a strong heavy gauge body, for durability and lasting power with no warping. The ceramic non-stick ensures even browning and easy cleaning, and the handles provide a safe grip. Lifetime guarantee. The 3D range from GreenPan has been designed specifically with a healthy diet in mind. Crafted from carbon steel with a Thermolon non-stick ceramic coating, it requires less oil or fat to cook food, while also retaining flavour and nutrients.