We just un boxed them. I bought these and the more expensive Cuisinart set that was not stackable.  He is the cook in the family.    He inspected the pots and pick the Granite Stone. I bought them because they were stackable.  He picked them for the weight and the silver bottom.  I am not sure why that is important to him but he’s the cook. The rims of these pots are kind of sharp. They should have been rounded off a little bit so you need to be a little careful when washing them