Set of 2 insulated glass coffee mugs. Made from borosilicate glass, which has a very low coefficient of thermal expansion, making it more resistant to thermal shock than ordinary glass. The double-walled borosilicate glass design keeps your hands safe while maintaining the ideal temperature for your coffee, allowing you to enjoy the flavour and appreciate every layer of your drink. Each glass coffee cup holds 5oz/150ml of beverage. Glass cups of your choice, suitable for use as espresso cups, cappuccino cups, latte cups, tea cups and with different types of espresso machines. Stylish, clear glass cups look great with other espresso accessories. The glass coffee cup set makes the perfect gift for coffee lovers for birthdays, parties, Christmas and other special occasions. Quality packaging ensures your clear coffee cups arrive safely. Guarantee to provide a replacement or refund if the glass cup set you receive is broken in transit.