Features a double layer.- The vacuum between the two glasses prevents heat transfer and retains warmth for a longer period.
Manufactured through the vacuuming of a single piece of glass, it has extra durability. Despite its sturdy structure, it is very light.
Beautiful and easy to clean, yet hard and durable. Although they are lighter and thinner than other glasses, they are made of hand-blown borosilicate glass.
It is not recommended to wash in a dishwasher. Because the heat transfer between the two glasses may be disrupted, and the cup's feature may be lost.
