Recharge with a heartfelt cup of coffee, this double friendship glasses set of 2 is mouth-blown and can be used for cold or warm beverages. With its double layer of borosilicate glass, it appears as though the liquid is 'floating' within the glass. The double wall creates a thermal effect, helping to keep your cold drinks cold and your hot drinks hot for longer periods of time. Its unique design is appealing to the eye when filled with your favourite beverage.