I've poured hot water into it about twice. Other than that, it has been stored, so I think it's in good condition. Limited edition from the official store Original box not included Please consider it. Product number: N41701 Color: Cool Gray Retail price: 6,050 yen (tax included) Capacity: 1.0L Specifications: Inner bottle: borosilicate glass Insulation: Heat retention: 72 degrees Celsius or higher (10 hours), Cold retention: 9 degrees Celsius or lower (10 hours) Width: Approximately 15cm Height: Approximately 28cm Weight: Approximately 620g T-fal Thermos