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. They are available in sets of two in the following sizes:

• 2 Espresso Glasses (60ml / 3oz capacity) –height 6cm/2.5in    
• 2 Cappuccino Glasses (190ml/6.8oz capacity) – height 10cm /4in  
• 2 Latte Glasses (220ml/7.8oz capacity) – height 12cm/4.75in