Material and Usage: Our lunch boxes are made of high:quality plastic material. This product is used as a snack and meal storage container lunch box. HIGHLY LEAK:PROOF:: The upgraded silicone sealing strip has more durable quality and wide size to connect the 2:layer lunch box lid with the top container. The buckle also helps it stay tight in the bento lunch box bag without spilling. So you can take this cute lunch box with bag out and about Healthy and Durable:: All our adult bento lunch box parts are made of healthy, safe and environmentally friendly materials, adhering to the concept of health and environmental protection. Throw away the disposable lunch boxes and create a healthy and green lifestyle with this cute lunch box Microwave and Dishwasher Safe:: Microwave safe lunch box (no lid, 248F, within 3 minutes); Freezer safe (:4F); Dishwasher safe (Lunch box is best washed by hand) build). Eating for work and school is so convenient, just confidently pack any food you like without wasting time cleaning up KIT INCLUDES ALL:: What else do you need besides the lunch box itself? We have prepared for you: 1* lunch box, 1* fork, 1* spoon, 1* efficient after:sales service. So you can buy this lunch box set with confidence and lets celebrate every day as Earth Day and protect our homes by using reusable storage or organization Portion Size:: These lunch boxes are great value as they have a large space for food, 1500 ml in total and measure 8.5*4.5*4.2 inches. 2 layers and 3 compartments can satisfy the appetite of most people, even adult men. What's more, customizable dividers can help you have great portion control in your daily lunches. So dont hesitate to choose this perfectly sized large Japanese bento box for adults and kids