■ Vacuum-sealed double-wall construction for both hot and cold use ■ Size: Approximately 12 x 8.7 x 8.2 (h) cm ■ Weight: Approximately 130g ■ Practical capacity: 0.35L ■ Heat retention: 42 degrees Celsius or higher (1 hour), Cold retention: 12 degrees Celsius or lower (1 hour) Color: Khaki Unused, but with age-related deterioration.