30 Quart Titan Series Induction Brazier Pot, NSF certified stainless steel, tri-ply bottom (two layers of stainless steel surrounding an aluminum core), The result is ccokware that spreads heat rapidly and evenly providing higher efficiency and reduction of hot spots, which can cause food to burn or cook unevenly. Each piece makes a striking impression with brushed sides and a polished band across the top and bottom.