Using international 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. Method of use_ For first use, please clean the product by neutral detergent and warm water, and wipe it by cloth.