Pressure Cooker Features: 1)High quality aluminum alloy pressure cooker,produced according to the China National Standard (GB13623-2003). 2)High intensity and rigidity withstand wear and scrape. 3)Multiple safety device,overpressure valve,alarm valve & regulator ensure complete safe operation. 4)This pressure cooker can save half of the cooking time compared to ordinary cookers. 5)Flavor is enhanced and valuale vitamins and minerals are retained. 6)Ideal for use on gas stoves. Pressure Cooker Packing Information: Model DescriptionMaster Carton SizeQ'ty/CTNJY-PC18-3A3L Pressure Cooker65*22.5*336JY-PC20-4A4L Pressure Cooker72*24.5*366JY-PC22-5A5L Pressure Cooker79*27*38.56JY-PC24-7A7L Pressure Cooker85.5*29*406JY-PC26-9A9L Pressure Cooker91*31*43.56JY-PC28-11A11L Pressure Cooker97*33*46.54JY-PC30-13A13L Pressure Cooker70*35*524JY-PC32-15A15L Pressure Cooker74*38*574 Model no notes: 1. JY is short for our company name Ji Yi. 2. PC is short for product name Pressure Cooker. 3. Digital 18;20;22;24;26,28,30 is the Pressure Cooker diameter. 4. The suffix digital 3;4;5;7;9;11;13 is the Pressure Cooker capacity. 5. The suffix letter "A" is the finishing surface of the product- Anodized type. The suffix letter "P" is the finishing surface of the product- Polishing type.