This stainless steel lunch box with compartments is made of high-quality food-grade 304 stainless steel, uncoated and BPA-free. Stainless steel lunch boxes have a sturdy structure and won't crack or chip like glass lunch boxes. It is reusable. Note: Stainless steel lunch boxes cannot be heated in the microwave. * Leak-Proof Design * Three-compartment lunch box-This bento boxes with compartments measures 20.5 x 15.5 x 7 cm and has a capacity of 1500 ml. It has three independent storage compartments to store different foods neatly and prevent odor transfer. The 1500 ml large-capacity lunch box is ideal for school, work and outdoor activities. * Easy to Clean-This smooth lunch box has rounded edges and corners with no complicated grooves or gaps. The mirror-smooth surface prevents food from sticking, making hand washing quick and easy. It is also dishwasher safe. * Wide range of uses-It can easily hold a variety of foods, such as staple food, sandwiches, vegetables, meat and fruits. Suitable for children to take to school as a lunch box, and also suitable for many other occasions. Such as keeping food fresh in the refrigerator, snack boxes at the office, family picnics or other outdoor events.