1.Material - Made of high borosilicate glass for durability and heat-resistance. Double-walled design keeps drinks hot while the exterior stays cool to the touch. The espresso cups can also be used for cold beverages like iced coffee or juice. 2.Safe to Use - Easy to clean and dishwasher for convenience. Perfect for coffee, tea, hot chocolate, or any other beverage of your choice. Set of 2 double-walled glass cups with handles, each cup holds 12oz for ample servings of your favorite coffee or tea. 3.Ideal Gift - Sleek and modern design of glass coffee mugs adds an elegant touch to any kitchen or office space. Perfect for home, office, or gifting to coffee and tea enthusiasts. 4.Quality - Our clear coffee mugs are made of the high-borosilicate glass which is proved to be the purest and st material in with water. The glass cups have a smooth rims to eliminate lip discomfort.