... body, 1.2mm lid, 1, stainless steel pressure cooker set have 4 safety set, pressure contral valve, safety indicator valve.safety window,open ... to dealing with the surface.3,large area pressure-releasing safety window, releasing pressure rapidly.4,open and shut the pot free of ... the steam water, and easy to clean.6,pressure-limiting valve,setting pressure accurately and banking the steam water, and easy ...