BLOMUS Nero Insulated Espresso Glass Set of 2 - The beautiful insulated Espresso Glass - 3 Ounce - Set of 2 are perfect for hot or cold drinks, or serving cold desserts, such as sorbet. Double walled insulated glass protects your hands or table from extreme temperatures. Perfect espresso glass!! (Available in 4 different sizes). Glass is hand blown. Dishwasher safe.