... 1.2mm body, 1.2mm lid, 1, stainless steel pressure cooker set have 4 safety set, pressure contral valve, safety indicator valve.safety window ... safety window, releasing pressure rapidly. 4,open and shut the pot free of push, easy and simple to handle. 5, ... more safely and durable. 9,imported high -quality 18- stainless steel and alloy aluminum reunite the bottom, imported high-quality18-8stainless