Can be used with a variety of drinks Can be used for espresso, milk, tea, smoothies, juices, cocktails, whisky and more. The glass is made of lead-free high-quality borosilicate glass, food-grade material is healthier.And the double-glazed design creates an optical illusion that the liquid inside is magically suspended in the air A practical and creative gift The matching cups are a perfect gift for all occasions such as Christmas Valentine's Day Easter Weddings or as a birthday present for your girlfriend / boyfriend or parents.The cute cartoon bear design paired with the gorgeous color scheme makes this mug simple yet stylish. The double-glazed design also avoids being burned by hot coffee when you pick up the cup with both hands, which is very practical.