[BUILT-IN PORTION CONTROL] The four-compartment lunch box allows you to follow a healthy diet by allowing you to separate staple foods, fruits, and snacks according to your diet plan and consume them as directed. Maintain a healthy and balanced diet [EASY-OPEN LIDS] A sealed bento box with a lid that a child can open or close independently is stackable in your lunch box and has a leak-proof seal. (Not for liquid use)[BENTO BOX CAN BE USED IN MICROWAVE, DISHWASHER SAFE]: the bento box is microwave safe (without lid, 3 minutes under 248°F); Freezer safe (≧-4℉); Dishwasher safe (top rack only, hand washing is recommended for the lid to avoid deformation caused by high temperature and pressure washing). Tips!!: When using a microwave oven to heat the bento box, be sure to remove the lid from the bento box. [SAFE AND REUSABLE] Please use our rice husk bento boxes instead of disposable lunch boxes to protect the environment. They are made of strong, high-quality, 100% wheat straw and can be