Stackable and nest with others,hard anodized or not.These pans come in different sizes and litres(for you metric people).When buying,you might want to spend a little more money and get the hard anodized pots and pans(they're the same sizes) but don't dent as easily.Fry pans come the same way and are just big enough to cover the biggest pan.
This review was written in the old system and had content requirements that are different than reviews written today.