As long as you know how to look after them, these pans are fantastic.  They will remain so if you don’t put them in the dishwasher, but hand wash instead. If food deposits start to build up or stain, they can be removed with some good old bicarbonate of soda. I’ve had my pans for between 2 and 4 years. No complaints. Personally, other than cast iron, these pans are the best I’ve ever used.