The PROPEL espresso glass set (set of two) features an elegant, yet functional design that provides you with a more consistent and aromatic experience in every sip. It’s time to take Espresso glassware to new heights. Made of Hand-blown Double-to-single Walled Borosilicate Glass. Capacity: 2.5oz (75ml) Height: 3.1in (80mm) Width: 3.1in (80mm)