Initially, I was very satisfied and would have each of the existing numerous here good support to very good reviews. Now, however, a little more than half a year has passed and the pans to show now their bad side: It forms a slimy black coating on the underside. This can never be completely removed, leaving everywhere in the kitchen, on the towel etc. its mark - hideous! Today I have also discovered that the coating starts to throw small bubbles. The instructions for use (in particular with regard to the cleaning.) I follow the way exactly - in particular, because I cherish the two pan for half a year and care and always good abwasche hand, I am very unhappy.
Conclusion: Never again!