Keeps Hot Drinks Hot While Remaining Cool To The Touch. Cold Drinks Remain Cold For A Long Time. | | Mouth Blown By Skilled Artisans. Constructed Of High Quality, Durable Borosilicate Glass | | German Engineering. Italian Design. Microwave And Dishwasher Safe. | | Microwave And Dishwasher Safe. | | Micrconstructed Of High Quality, Durable Borosilicate Glass. German Engineering. Italian Design.Owave And Dishwasher Safe. | |