This product is new and unused. This is a 530ml plastic lunch box featuring "My Melody Watercolor Cosmetics Sanrio." It's designed to keep decorations from being crushed, prevent food like nori from sticking to the lid, and allow for "fluffy" arrangements of food. The product is unopened. For any product defects, please contact the manufacturer directly. ■ Size: Approximately 18.6 x 10.8 x 6.2 cm ■ Capacity: 530ml ■ Weight: Approximately 180g ■ Microwave safe (remove the lid) ■ Dishwasher safe (domestic use) ■ Antibacterial with silver ions (AG+) ■ Dome-shaped lid allows for fluffy food arrangement ■ Includes a high divider to prevent side dishes from shifting ■ Securely sealed with a gasket and latches ■ 4-lock design to prevent leaks ■ Slim type, easy to hold with one hand ■ Made in Japan Although the product is new and unused, please refrain from purchasing if you are overly concerned about minor imperfections. If possible, please contact me via the comment section before purchasing. I can accommodate combined shipping with other items and other shipping methods, so please contact me via the comment section.