Prestige Deluxe Hard Anodized Black Color Pressure Cooker, 5-Liter Prestige hard anodized cookers use the highest quality treatment for hard anodizing their aluminum cookers to give your cooker a safe and long life Comfortable handles have been rugged and streamlined to allow for a better grip and smoother opening and closing Comes with a first time 2-in-1 safety device called pi pressure indicator; The device will rise while there is pressure inside the cooker and will come down when there is no pressure thus indicating Controlled grs: the no noise, no fuss grs safely release the excess pressure in case the vent is blocked ISI certified - conforms to international quality standards