New Afternoon Tea Heisuke Kitazawa Thermo Tumbler A thermo tumbler featuring a girly world drawn with a soft touch. The stainless steel double-wall vacuum construction keeps your drink at the perfect temperature. The vacuum structure between the inner and outer walls prevents heat transfer. Dishwasher: × Microwave: × Heat retention: 51°C or higher (1 hour) Cold retention: 5°C or lower (1 hour) Drinking mouth diameter: 8.3cm, Height: 11.5cm Although it is new and unopened, please understand that it has been stored at home before purchasing.