Food Grade Material: Electric bento box is made of food grade PP plastic and 304 stainless steel container, high temperature resistant, and non-toxic; And the stainless steel bowls are removable, so that it is very easy to clean. Large Capacity: The Electric heating lunch box has double layers: 4 bowls; single layer: 2 bowls, 2 sizes to choose from. Ideal for cooking rice, food heating, steaming eggs, vegetables, meat and more. Widely Use: With our food heater lunch box, you can heat your meal a