The Bodum Bistro 10604 10 Double Wall Insulated Glass Mug is a beautiful glass mug which is hand 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 and prevents condensation leaving the mugs comfortable to hold and 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 touchHeat resistant borosilicate glassDishwasher and microwave safeSet of 2 mugsCapacity 0.3 L. 10 oz.Dimensions 4.25quotH x 3.5quotDiam