Double walled design: The double layer glass mug set keep hotter and colder than the normal single walled glass and ceramic mugs. Cool to touch, without burning fingers
Design: There is a small round hole design on the bottom of glass coffee cup to prevent glass mugs to burst when using. It allows the glass to breathe in process. It is sealed, the water would not go in.
Suitable for daily use: The 12 oz cup glasses are perfect for serving hot coffee, hot tea, lattes, cappuccinos, every beverage. Even ice cream, smoothies and more! Plus, they are microwave and dishwasher safe, but we recommend washing by hand.
Lightweight: Somebody said it may be made from plastic, but not! It is true glass! The glass cup is made of mouth-blown high borosilicate glass, it is lighter than the normal glass, but durable and stable.
Keeps your coffee hot for longer: glass coffee mugs for hot beverages that keep your latte, cappuccino, or coffee hot while your hand stays cool.