Sold as a set of 2 glasses. A modern classic destined to become your new go-to drinking glass. The Century Collection is made using premium borosilicate glass that is most commonly associated with laboratory glassware and high end kitchenwares. It provides a delicate appearance and superior thermal shock durability. Choose between four different color ways and three sizes. Borosilicate Glass The glasses are made using premium borosilicate glass that is most commonly associated with laboratory glassware and high end kitchenwares. Borosilicate glass is much more resistant to thermal shock than standard glass. Materials Borosilicate Glass Dimensions 4" H x 3" D