Double walled glasses that breath!Individually mouth-blown by expert artisans, Bodum\'s proprietary Double Walled Glasses feature two walls of borosilicate glass, creating a highly effective layer of insulation. Hot drinks stay hot for longer and you\'ll no longer burn your fingers while holding your glass. Cold drinks will also stay cooler for longer without the unpleasant sight of condensation on the outside of the glass. Also perfect for serving ice cream and soupsProduct DetailsUse and Care •  Each double walled glass is mouth blown by expert craftsmen, and may therefore have slight differences in height, thickness and weight.  •  Dishwasher, microwave safe, and oven safe (up to 350°F/176°C).Unique Design •  Insulated •  Can also be used as a verrine •  Supplied in a gift box