Circulon cookware and bakeware features raised circles on the surface of our pots and pans which means the food cooks and releases easily but only a fraction of the baking surface takes the abuse of any utensils - and these Momentum loaf tins for baking are no different. The total non stick technology in these rectangle cake tins provides an unbeatable non stick surface that's durable and long lasting thanks to the tough carbon steel structure. All of our bakeware also comes with our hassle free Limited Lifetime Guarantee! Product specification: Oven safe: 230c / 450f / gas mark 8. Material: carbon steel. Measurements: 2lb. Non-stick: yes. Dishwasher safe: yes Circulon Momentum Loaf Tin in Carbon Steel Dishwasher Safe Non Stick Pan - 2 lb in Grey