Made to accommodate drinks both hot and cold, the Duo Glass is a versatile addition to your home bar. It's hand-blown from borosilicate glass, with a double-walled design that helps retain the temperature of your drink and eliminates condensation rings on your furniture. It's designed to hold a two-inch ice ball — the molds for which are included in the package — and has subtle 1 oz. indicators blown into the mold of the glass, making cocktail preparation a cinch. Ships as a set of two in a handsome black presentation box.