[Flexible Adult Bento Box] Our insulated lunch box has a large capacity of 2400 ml, a stackable design, 3-layer food classification, and a reasonable capacity of 81 ounces. Whether it is a main dish, side dish, dessert or snack, this stainless steel lunch box container can maximize the packaging of your favorite food types and quantities. It also comes with a portable lunch bag and tableware for easy dining out;[Leakproof Insulated Lunch Box] Our one-piece stackable lunch box container adopts a three-layer fully sealed design, a portion control container, and is completely leakproof, even in a shaking car environment. The portable handle makes the lunch box easy to carry. Whether you are going to work, school or a picnic, this adult lunch box is a reliable companion;[Food-grade material and easy to clean and BPA-free] The insulated lunch box is made of food-grade 304 stainless steel lining (including insulated lunch bag, spoon, fork) and high-quality PP plastic. CPSC certified non-toxic, safe, healthy, and environmentally friendly, it can be safely used by adults and children over 8 years old for a long time;Microwave, dishwasher, and freezer safe - our adult lunch box containers can safely reheat food within the microwave safety range (≤212°F, ≤3 minutes). Note: Do not use in light wave ovens, ovens, and the lid cannot be put into the microwave;