Maintains the temperature of both cold and hot sake. A sake tumbler with a beautiful double walled vacuum construction and just the right size. The double-walled vacuum structure allows you to enjoy both cold and hot sake at a delicious temperature for a long time. The exterior does not condense, so you don't have to worry about getting your table wet. The mirror finish on the inside brings out the color and turbidity of the sake, creating an even more delicious experience. It's the perfect size to hold 180mL of beer or your favorite drink.