Thank you for viewing. This is a boxed lunch box with a cooler bag. It's a collaboration product between Nagano and Sanrio, featuring illustrations of My Melody, Kuromi, and Cinnamoroll. Microwave-safe and freezer-safe. Lunch box size: Inside: 9.4cm x 5.4cm Height: Lower tier inside: 3.5cm Upper tier inside: 3cm Chopstick length: 16cm I received this and have kept it stored. How about it for the new school year or new life? Although it is unused, please understand that it has been stored at home. Thank you. m(_ _)m