ElectricCoookingFour LinerLunch Box2Litre200 WattsUsing high temperature resistant environment materials.Stylish and fashionable appearance, without odor, healthy.Four independent small inner tanks, free combination of single and double-layer design.The use of PTC heating elements is safer, more convenient, and energy-saving.The design of recycle heating in low power keeps the food warm and fresh.Dual-function for heating and warm keeping.