Standard food-grade stainless steel(non-magnetic) to ensure health and safety.precise-processing inner and outer surface, corrosion-resistance, easy to clean.double-wall vacuum structure with heat and coldness insulation, powerful thermal insulation function, Under the circumstances of 20°room temperature, it will be greater than 50 degree for 12 hours.The product has a sealing cover, you don’t have to worry about the spillover.It widely applied to office workers, students as lunch buffet and outdoor picnic collection,Ingenious structural design of three-layers storage space,a pot body and two containers, the cover can use as a bowl, special handle is easy for carrying.