This set of eight (8) drinking glasses has perfect functionality, keeping hot drinks hot and cold items cold, as well as being microwave and dishwasher safe. 8 pc set of 474 ml glasses. Dual layers insulate beverages to keep them hot or cold longer. Remains cool to the touch when holding a hot beverage. Mouth-blown from high-quality borosilicate glass. No messy condensation or need for coasters