According to the link below, the pots are 16/10 stainless.
https://www.fiestafactorydirect.com/p-2720-10-piece-masquerade-cookware-set-911.aspx?pid=321
There is a choking hazard warning for the Fiesta flatware, the plastic colored inserts can become loose during washing. The same warning has not been made for the pots and pans but the fact that the inserts can become loose is something to be aware of.
https://www.cpsc.gov/Recalls/2009/flatware-recalled-by-cambridge-silversmiths-due-to-choking-hazard