Stainless steel food flask

High quality Double Wall Stainless Steel thermos bucket sealing lunch box. Spill-proof vacuum thermal insulation, large capacity lunch box, food container, portable pot. 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 degrees for 12 hours. The product has a sealing cover; you don't have to worry about the spillover. It is 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 be used as a bowl; the special handle is easy for carrying.