This is a Tupperware lunch box. You can reheat food in the microwave after removing the seal (lid). ・Lunch Box (560ml, Length 21.3cm, Width 13.8cm, Height 4cm) ◆ Due to the water leak prevention structure, there is a special Tupperware method for closing the lid. Please refer to the included instruction manual before use. ◎ Although this is an unused item, please consider that it has been stored at home for a long period of time. ◎ There may be oversights such as discoloration, deformation, scratches, or stains on the product or bag, so please refrain from purchasing if you are concerned about even minor imperfections. ◎ Regarding the shipping of the product, we will use recycled packaging, so please understand. ◎ We are sorry, but we do not offer layaway. #UnusedTupperwareForSalebySALLOT #LunchCasebySALLOT