New, Unused ※Price reduction not possible! Popular donburi-style lunch box Ultra-lightweight and compact ◎ For a warm donburi lunch! Capacity: 540ml (inner container 220ml) Size: Approximately 115mm in diameter x 140mm in height Stainless steel vacuum insulation structure for heat retention and cold retention Heat retention: 52 degrees Celsius or higher (6 hours) ◎ Cold retention is also OK! In the hot season, for cold somen noodles, udon noodles, cold ramen, salad pasta, etc.! You can use it all year round, regardless of the season! Instant purchase OK!