Comfort Casseroles Set of 4 Pieces, The cookware is made of high-quality Cromargan : stainless steel 18/10, which impresses again and again with its matt surfaces. The TransTherm universal base enables optimal heat distribution and storage for perfect cooking results and particularly energy-saving cooking. Durable and dishwasher-safe, these sophisticated pots are equipped with heat-resistant exposed cooking lids for convenient monitoring of the cooking process.