Enjoy your favorite hot or cold beverage, martini and even dessert with this double walled glass from Bodum. The insulating quality of Bodum's double walled glasses help keep the contents at the appropriate temperature and prevent condensation from forming, therefore eliminating messy rings on your table. Double walled glasses are not only stylish but truly multifunctional. Bodum's insulated glassware is made from durable Borosilicate glass, a strong heat-resistant glass that weighs less than traditional glassware. Used to make scientific lab glass, borosilicate glass (medical grade glass) is stronger than traditional "soda-lime" glass and can be used for everything from drinkware to cookware.