☕BOROSILICATE CLEAR ESPRESSO COFFEE CUP--our borosilicate material is 100% lead-free and BPA free. The clear glass mug cup can withstand a temperature difference of 0 to 300℉. The glass coffee cup is suitable for iced or hot coffee , tea ,juice beverage. And it is super lightweight.LARGE CAPACITY FOR DAILY USE---Double insulated coffee mug set is 7.7 oz(230ml) which is large enough to go with an espresso machine as well as other coffee makers. It perfectly serves for espresso, latte, tea, mocha, cappuccino, Americano, cold or hot beverages. and ice coffee. The cup set will be a perfect addition to your breakfast and afternoon teatime.☕DOUBLE WALL DESIGN--The double-layer glass coffee mug set can keep your beverage hotter and colder than single wall glass and ceramic cups. And You can easily touch the outside glass without burning fingers.There is a small hole on the bottom of the glass coffee cup which can balance the pressure. It is sealed, the water would not go in.☕MICROWAVE AND DISHWASHER SAFE--our insulated coffee glass cup is dishwasher, oven and freezer safe. It is easy to clean. Perfect gift---The unique shape of the glass cup will make your home more beautiful.GIFT CHOICE--the glass drinking cup set is well wrapped in a gift box, these espresso mugs could be the ideal gift for your family or friends or on birthday, housewarming, wedding, parties, Mother’s Day, black Friday cyber Monday Christmas etc.