mirror pressure cookers SUS304(18/8),outside mirror polished & inside satin finish ,black bakelite handle. 1, mirror pressure cookers have 4 safety set , open -close /locking ,safety window, safety indicator,pressure limiting valve.2, arge area pressure-releasing safety window, releasing pressure rapidly.3, open and shut the pot free of push, easy and simple to handle.4,cover's ponding nest ...