DeLonghi Double Walled Thermo Cappuccino Glasses, 6 fl oz, Set of 2 - 5513214601 Double wall thermo glasses Keeps drinks hot or cold Condensation free Dishwasher safe Capacity: 6 Ounce The De'Longhi double wall thermo glasses are designed to keep drinks hot or cold. They are made from borosilicate glass and are dishwasher safe.