High-quality material: The inner liner of the insulated lunch box is made of high-quality 304 stainless steel, which is anti-corrosion and rust-proof, not easy to break, not easy to scratch, and is heat-resistant and durable. The outside of the lunch box is made of high-quality plastic, which is durable and drop-resistant.Free assembly and disassembly: There are 4 capacities to choose from (700ml, 1400ml, 2100ml, 2800ml), you can change the size and capacity according to your needs. The lunch boxes are stacked as 2-layer or 3-layer or even single-layer lunch boxes.Good Sealing: The vents make it easier for the food to be sealed in the box, keeping your food fresh and safe from the contamination of the divider/lunch container.Safety Buckle Design: Portable stainless steel tiffin box with safety buckle to ensure that the box cover and box body are firm and can be carried safely and reliably.Hidden handle: The portable handle can be folded and hidden, does not take up space, light and easy to carry. Thanks to separate containers, you don't have to worry about mixed or soggy food. You can transport many different types of food at the same time.