3-piece set includes base pot, steamer and vented, tempered glass lid. This cooking pot is made of food-grade stainless steel, which can maintain the pure flavor of food and guarantee a healthy diet. In addition, the solid structure makes it strong and durable enough without damaging easily and the smooth surface is also convenient for cleaning. The bottom of this steamer pot features 3-different layers: high-quality stainless steel, high-purity aluminum layer and magnetic conductive layer, ensuring fast and uniform heating. Also, it is suitable for various stoves, like gas furnace, radiant-tube furnace, induction cooker, etc. The bottom of the steamer is designed with a grid structure, which allows hot air transfers from bottom to top, achieving circular heating in the whole boiler and good thermal conductivity also allows the food to be completely steamed within a short period of time. Designed with cool-to-touch handles, it is safe enough for you to move the steamer without burns.