100% Brand New and High Quality. Material: High borosilicate. Color: Transparent. Capacity: 200ml. Heat resistance: -20-150. Package Content: 1 x Coffee Cups. This cup is hand blown from high temperature borosilicate material. Perfect for you to enjoy the flavors of teas or coffee without metal or plastic affecting the taste. These double-walled coffee mugs are perfect for cappuccino, latte, espresso, macchiato, tea, juice, iced beverages, or smoothies, etc. Advanced double wall insulated design can keep drinks hot or cold and keep your hands safe. Dishwasher, microwave, and fridge safe. The cup have a nice feel in your hand and are amazingly durable and suitable for everyday use. They clean completely leaving no residue from a previous drink. Easy to clean and durable. These shatterproof, scratch resistant mugs are durable and safe for microwave and dishwasher. Borosilicate glass is the material you want when dealing with any glassware for best results. Please note: There is an air hole at the bottom of the cup. This is a double-layered cup process. It is a normal phenomenon and is not a defect.