stainless steel casserole: 1.body:3 Ply SS304 0.4mm+AL ... SS lid 3.outer and inner side sand processing Casserole:1.3PLY stainless steel ,thickness 2.5mm:304ss0.4mm+Al1.5mm ... durable3..Aluminum core heats evenly and quickly4.Polished magnetic stainless steel outer layer offers beauty and ability to perform ... , including induction, electric,halogen, radiant, ceramic and gas. stainless steel casserole