1.【ESPRESSO MACHINE ACCESSORIES】The capacity of 4 oz allows you to fill 2 servings of espresso at one time. Double spouts is more convenient to pour and not easy to leak, so glass espresso cup can pour smoothly without staining the tabletop and it is a good helper for your coffee.2.【HIGH BOROSILICATE GLASS MATERIAL】Made of clear, thick-walled, borosilicate, heat-resistant glass. It does not contain lead and chromium, and can be in direct contact with food.3.【MICROWAVE & DISHWASHER SAFE】Microwave safety. The espresso cups are super easy to clean, with a simple hand wash to keep them clean, or dishwasher safe.4.【WIDE VARIETY OF USES】 Crystal clear appearance, smooth and delicate lines, good hand feeling. The espresso cup is for espresso, milk, milk froth, smoothies, and desserts.5. In addition, you can also use the espresso cup to add salad dressing, butter, tomato sauce, etc.