【Design】 Although unopened, it is likely to be "Sumikkogurashi." 【Functionality】 It has a capacity of 0.42L, is lightweight, and convenient to carry. Heat retention: 58°C (136°F) or higher Cold retention: 10°C (50°F) or lower. Suitable for various beverages. As this is an amusement prize, there may be imperfections in the manufacturing, or some initial scratches or stains. If you do not understand this, or if you are concerned about minor details, please refrain from purchasing. Thank you for viewing. How about it?