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