Hawkins Hevibase IH20 2-Litre Induction Pressure Cooker, Small, Silver Double thickness base, stays flat, spreads heat more evenly, suitable for Induction, gas and electric cooktops Base hard anodized for more efficient heat absorption Made from pure virgin aluminum, exterior mirror polished Super-fast cooking; Improved pressure regulator - saves more fuel Inside-fitting safety lid will not open until pressure falls