Set of Two double-wall pavina glasses, 12 ounces each; perfect for Coffee, espresso, or a multitude of other hot and cold beverages | Made of mouth-blown, lab-quality borosilicate-glass construction for a durable and heat resistant glass | Insulated glass has a sleek 2-layer design that creates a dramatic optical illusion and prevents condensation | Silicone valve at base allows for changes in pressure. | Bodum double wall glasses are the winners of the prestigious European if design award; 1 year Limited | Dishwasher, microwave safe, and oven safe (up to 350°F/176°c). | included components: Bodum PAVINA Coffee Mug, Double-Wall Insulate Glass Mug, Clear, 12 Ounces Each (Set of 2)