1.With a capacity of 80ml, Each size is about 5.5x9cm, when you drink hot coffee, you will not feel the outer wall is hot, and when you drink cold drinks, the glass and there will be no condensation on the table.2.The clear coffee mug adds a luxurious touch to your dining table, and the double glazing design keeps drinks warm and your fingers safe from scalding! 3.The coffee mug is made of borosilicate glass, which is comfortable to use, and the insulating glass can withstand temperatures from -30°C to 150°C! You can enjoy your Americano, espresso, cappuccino or hot tea longer.4. The crystal clear glass is suitable for daily use, easy to clean, delicate and beautiful, all lines are smooth and elegant, giving you a good hand. Also an ideal gift for family or friends.5.Double glass cups can enjoy scented tea, green tea, black tea, juice, beverages, milk and coffee, suitable for home, daily use or office use, suitable for microwave, refrigerator and freezer.