... body, 1.2mm lid, 1, stainless steel pressure cooker set have 4 safety set, pressure contral valve, safety indicator ... ,adopt streamlined design and advanced stainless steel technoloty to dealing with the surface.3,large area pressure-releasing ... ,imported high -quality 18- stainless steel and alloy aluminum reunite the bottom, imported high-quality18-8stainless stainless steel pressure cooker set