Thermax #44934 from Circleware - Set of 2 double walled, insulated, glass cappuccino mugs. 10.4oz (307ml). HOT or COLD - Thermax glassware has a double wall construction made of borosilicate glass. These sleek, edge-less glasses can keep cold drinks cold and hot drinks hot. Dishwasher and microwave safe. Each glass: 9 cm diameter and 10 cm high.