Glassware for the Table This set consists of eight (8) borosilicate double walled espresso mugs each. This material is insensitive to temperature fluctuations and is therefore ideal for both hot and cold drinks and is light yet strong. Each glass has perfect functionality, keeping hot drinks hot and cold items cold. 8 pc set of 80 ml glass mugsDual layers insulate beverages to keep them hot or cold longerRemains cool to the touch when holding a hot beverageMouth-blown from high-quality borosilicate glassNo messy condensation or need for coastersMicrowave and dishwasher safeMade in China