If you own or manage a restaurant, café, B&B, or a bar, or you're just simply looking for an exquisite coffee cup set for your kitchen, our insulated 5 oz espresso glass mugs are the perfect solution to impress your guests. Its double wall insulated feature keeps your coffee hot for longer so you can enjoy it just the way it's meant to be. These Stoiva Espresso Glasses come in a set of 4 and are made of the highest quality lead-free borosilicate glass. They are unbelievably durable and are suitable for a microwave or dishwasher use. The thermal glass cups have a stackable design so you can easily store them in your kitchen or a cupboard when not in use, and they fit perfectly with any coffee maker or espresso machines, including Nespresso, Diva, De'Longhi and more!