Cirrus is our practical design for any hot or iced beverage, informed by 90's International Business Travel. Named after water vapour found at the highest altitudes, the multi-use cup is serene at 34,000ft above sea level. The stackable nature of the design is the ultimate form of utility. Made from hand blown borosilicate glass that's light and sturdy to handle any temperature. Material: Borosilicate glass Size: 1.75” Base x 2.25” Height Volume: 5.4 oz. Care: Dishwasher-safe