The Bodum Bistro 10604-10 Double-Wall Insulated Glass Mug is a beautiful glass mug which is h&-crafted of borosilicate glass. Its double wall construction means that your hot or cold drink is kept at the desired temperature for longer. It also features a two-layer design that resists heat & prevents condensation leaving the mugs comfortable to hold & safe for placement on any tabletop or counter. The mugs also create a dramatic optical illusion of liquid suspended within. Double-wall design keeps hot drinks hot while the glass remains cool to the touch Heat-resistant borosilicate glass. Dishwasher & microwave safe. Set of 2 mugs Capacity: 0.3 L. 10 oz. Dimensions: 4.25"H x 3.5" Diam.