Dear interested. The following is very important to me. I've noticed that there are several negative comments are to this woolen pans here. I must qualify this, unfortunately. I myself use wool pans, since I have seen the presentation years ago on television. These presentations were always products of "Titanium Plus" series offered. The pans, which are offered here belong to another product series, namely Novo Titanium. These products are certainly not bad. However, they are thin, the floor is 8mm and 10mm thick and not the seal is another. Anyone who remembers the presentations on TV and thinks he can heat these pans as shown there merciless to 250 degrees - wrong if the reviewers are right. So please pay attention to which product line you are buying. The here are good brand pans with a durable sealing. But there are, after all no products from the titanium-Plus series. This must be clear. And therefore should be paid to the operating instructions and warranty information detailed attention and not rely on a TV presentation that has advertised another product. I hope Amazon can this correction to. I hope so only to prevent misunderstandings.