It is an aluminum-type lunch case.
Although it is not hermetically sealed, it is a long-selling bento box because the colour of a food does not easily remain on the lid.
・ Can be stored in warm storage (remove the rubber band) ・ Can be
microwaved (remove the lid and rubber band)
・ With rubber band
Approximately 13.5 x 9 x 4 cm
Capacity 350 ml (Iibe approximately 210 ml)