Ideal way to pack nutritious, travel-friendly meals. Lunch-Box is made of food-grade materials and high quality stainless steel. Perfect for students and office workers who opt to eat home-cooked meals. Lunch-Box is made of food-grade materials and high quality stainless steel. Non-toxic, tasteless, health and safety. Upper plastic Lid And Inner Stainless Steel. The lid with extended fastening design, close the lid and box body fastening, no leaking no sprinkle, easy to carry. Box identity layer design can separate out the food in the two layers, effectively prevent odor. Arched handle, more convenient to carry.