Hi-Tech Triply Stainless Steel Casserole - Hi-Tech Prism Casserole offers you the advantages of a stainless steel and non-stick coating in one, an aluminium core, 18/10 stainless steel interior and resistant steel exterior. The honey comb pattern with raised structure makes the non-stick layer intact for longer period. It has extreme scratch resistance hence it is safe to use with metal spoons.