High-quality Material:- This lunch box is made of 304 stainless steel and food grade PP material, BPA-free, healthy and durable. We use thicker materials that are not easy to break. The top and bottom are very strong.  DISHWASHER/ FREEZER SAFE: This 2 Compartments Stainless Steel tray is removable, can be cleaned up easily in the dishwasher. The plastic bottom box is dishwasher & freezer safe, BPA free, another useful function is you can pour in some hot water before you eat to heat the food PORTION CONTROL: 2 compartments Features – convenient to store variety food with divided lunch box design, portioned perfectly for adult/ child’s appetite, durable and easy to-go. ALL FOOD IN ONE CONTAINER: 2 compartments can fully accommodate the nutritional needs for children’s school lunch; you can put cut-up sandwiches, soup, pasta, noodle, green salad, wraps, chips, nuts, dried fruit, fruit and so on.