Tupperware Sandwich Keeper The design changes when tilted. Unused, but please understand it has been stored at home. Size: 12cm (length) x 13cm (width) x 5cm (height) Tupperware ended its business in Japan at the end of January 2025, so this is a valuable item that is no longer available. With Tupperware's iconic quality and style, the airtight lid seals in freshness and flavor. Easy to use and leak-proof. It has a high sealing power and is a very convenient storage container for stocking seasonings, preserved foods, and dried goods. It is also convenient for portioning food and sharing with others. Easy-to-seal Quick Seal. Also, because safe raw materials are used, you can use it without any problems for long-term storage of pickles, miso, etc.