Premium Double Walled Insulated Glass with Handle, Coffee or Tea Glass Mugs, Thermo Insulated Glass, Perfect for Latte, Cappuccino, Americano , Tea and Beverage. 1. Material: High borosilicate glass 2. Size: 250ml / 10 * 8cm, 350ml / 11.3 * 8.5cm 3. Weight: 250ml / 0.15kg, 350ml / 0.17kg 4. Packing: bubble bag + carton Selling points: 1. High boric silicon glass hand-blown, high transparency, high temperature resistance. 2. Adopt double-layer design, thermal insulation and hot iron. 3. The cup is transparent and integrated. 4. Round the cup, smooth and round, and the lips are comfortable. 5. The bottom arc is smooth, and it is stable. [Double Walled Design] Thanks to its double walled structure, the insulated glass mugs keep cold drinks cold and hot drinks hot while there is no condensation from outside layer. No messy water rings on your table anymore. [Premium Glass Material] The insulated glass is made of heat-resistant borosilicate glass which is non-toxic, odorless and very safe to use. Safely goes in the microwave and freezer. Not Safe in Dishwasher. [Ergonomic Handle Equipped] The thoughtful extra-large handle makes the cup more comfortable and easier to grip, reducing the pressure from the weight of mug. Perfect for wet or shaky hands to hold. [Perfect Gift] The sleek look makes it an ideal gift for family and friends, giving them fantastic drinking experience at home, bar, kitchen, restaurant, party, festivities, weddings or other occasions.