HAWKIN&nbsp;Classic CL50 5-Liter New Improved Aluminum Pressure Cooker, Small, Silver Hawkins Classic 5 Liter Pressure Cooker with Easy to quarter turn is enough Open & Close Made from commercially pure, virgin aluminum; Mirror polished; interior and base matt finish Features a 'goof-proof' lid that seals from the inside like a jetliner door, ensuring greater safety Inside fitting lid opens only when pressure falls Stay cool handles Pressure is regulated automatically to optimum levels for speed cooking; Shielded Safety valve, Long lasting gasket