Crusar 12V 34-ounce Portable Electric Heating Lunch Box Food warmer Meal heater Stainless Steel Container Grey Made of food-grade PP plastic and stainless steel, totally nontoxic and healthy. Portable, convenient to take your food on the go with the invisible handle. Exclusive USB socket, heating your food while driving. Anti-dry protection, automatically cut off when the temperature is too high. Safety voltage, low power consumption, more environmentally friendly.