Enjoy a heartfelt cup of espresso in this double double loop espresso mug! Made with a double layer of mouth-blown borosilicate glass, each glass will keep hot or cold drinks insulated while the outside surface will remain comfortable in your hands. Two layers of this glass are used to give it ample insulation, style, and to create an optical illusion. The glass creates an effect where the drink appears as though it is 'floating' within the glass. Brilliant’s double walled espresso cup keeps your daily dose of caffeine fresh and toasty because of its extra layer of insulation. This set of two is not only eye-catching but useful as well and makes the perfect gift for any cocoa enthusiast. Set of two double-walled, espresso glasses, 80ml. Made from durable, lightweight, mouth-blown borosilicate glass 2 layers of glass used for maximum insulation creates a dramatic optical illusion, making a lovely presentation keep hot drinks hot and cold drinks cold the outer surface will always remain cool to the touch will not create condensation on the outer part microwave and dishwasher safe