Coffee Espresso Cup Set Of 2 by VizC&aacute;sa - Tumbler Cups Double-Wall Insulated, 2.5 Ounce Glass Espresso Shot - Heat Proof Keeps Beverages Hot Set of 2 Mouth-blown Double-Wall Espresso Shot cups using top quality very lightweight borosilicate-glass, measuring 2 by 2 by 2 holding 2.5 Oz (70 ml) Each The eye catching double wall design creates dramatic optical illusion while preventing condensation Special thermo insulation keeping beverages hotter or colder longer while being safe to touch Heat resistant, top shelf Dishwasher safe (hand wash recommended); Microwave safe; Freezer safe, can be used gently with metal silverware With this purchase you are not only getting our amazing product, you also get our world class customer service! We know you will love our mugs or your money back!