Lunch box is made of food-grade materials and high quality stainless steel. The lid with extended fastening design, close the lid and box body fastening, no leaking, no sprinkle, easy to carry. Non toxic, tasteless, health and safety. Double-wall, food grade stainless steel contruction is built to last. Both levels accomodate standard-sized sandwiches, salads, pastas, leftover, and just about any meal on the go, study, removable frame with handle latches locked shut and makes it easy to carry, store, and clean. Double wall steel construction and insulated to maintain the perfect temperature of your meal. This compact, modular two-layer steel tiffin feature 4 seprate food containers with silicone handle the latch together and a lid that doubles as a plate.