Mirror-polished 18/10 stainless steel. Thick 'hot forged' Thermic bases ensure efficient heat distribution. Suitable for ALL hobs including induction. Internal capacity guides (Milk Pan, Saucepan, Casserole). Oven safe to 180°C/350°F/ Gas Mark 4. Dishwasher safe. Toughened vented glass lid (Saucepan, Casserole, Saute Pan). ETERNA non-stick lasts 3 x as long and offers 10 x the release of the nearest competitive coating (Frypans). Judge 25 year Guarantee.