... body &cover,polished surface pressure cooker,pressure pots 2)Aluminum ALLOY PRESSURE COOKER, 3L TO 15L for you.. Aluminum ALLOY PRESSURE COOKER, Aluminium PRESSURE COOKERDescriptions:1) Aluminum stronger ... , keep more safe.6) Quick and even heat transmission7) Pressure cooker, 3L,4L,5L,7L,9L,11L,12L,13L for you to choose.