This is a Tiger Corporation lunch jar, model LJK-1700. It is a reliable product made in Japan (MADE IN JAPAN). It is an unused, long-term storage item. It is a complete set with tags, instructions, an unopened spoon, and the original box. Model number: LJK-1700 Color: Black Heat retention: 6 hours at 64°C or higher Glass vacuum double-walled bottle The interior is also in very clean condition. It has a solid construction from the Showa era and is a rare model nowadays. The outer box has stains and damage due to aging. Please purchase only if you understand that this is a long-term storage item. #TigerCorporation #LunchJar #ShowaRetro #MadeInJapan #Deadstock #Vintage #Deadstock #InsulatedLunchBox