Set of 2 double wall glass coffee tea mugs holding 13.5 ounces each. Will keep liquid hot or cold for a longer period of time while the outer glass cup remains safe to touch Top quality insulated glasses made of hand blown borosilicate-glass. Perfect for morning coffee, latte, tea, cappuccino, espresso, expresso, brew, hot, or cold beverages. The double wall glass cup with handle are designed in also keep your hands cool with hot drinks and free of condensation with chilled glassware beverages. The coffee/Tea mug are absolute design with a Smooth finish, crystal clear, beautiful addition to any cafe, restaurant, definitely to your own home Buy with confidence - 1-year Warranty Simple return if not happy Microwave, Dishwasher, Oven and Freezer safe (up to 350°F are save; not for use with metal utensils)