The WMF Quality One Cookware Set 4-Piece is made out of stainless steel and has a TransTherm bottom. This bottom ensures good heat conduction, this way your dish will heat up evenly. The set consists of 4 pots of different sizes, allowing you to prepare several dishes simultaneously. Thanks to the special Cool+ handles, the handles remain cool. Handy, so that you can easily move the pots to the dining table without burning your hands.Note: The pots are oven-resistant up to 200 degrees.