... ss lid. 3.polished processing or sand processing. stainless steel cookware:1.3PLY stainless steel ,thickness 2.5mm:304ss0.4mm+Al1.5mm+430ss 0 ... and durable3..Aluminum core heats evenly and quickly4.Polished magnetic stainless steel outer layer offers beauty and ability to perform on ... cooking surfaces, including induction, electric,halogen, radiant, ceramic and gas. stainless steel cookware set