270ML High Borosilicate Glass Mug Heat Resistant Tea Milk Lemon Juice Coffee Water Cup Bar Drinkware Modern Simple Style. Made from lead-free glass, this mug is durable, non-toxic, and healthy for you. It features a wide-mouth design for easy water injection and convenient cleaning. The mug is safe for dishwasher, microwave, and freezer, making it a great addition to your kitchenware.