Sumikko Gurashi Glittering Night Stainless Steel Bottle with Tea Strainer Height: 23cm Capacity: 0.42L Heat Retention: 58°C or higher (approx. 6 hours) Cold Retention: 10°C or lower (approx. 6 hours) This item is new and unused, but the lid of the box has been opened once. We appreciate your understanding and ask for your purchase.