Product Material: glass Quantity: 1 piece Package Contents: 1 * double heart shaped glass 1. Insulated and Practical Design The double-layer glass with handle allows you to hold hot drinks safely while it helps to block the temperature. It won't make you feel too cold or too hot when you hold the cup handle. More durable than normal glass, heat-resistant and cold-resistant (range from -20 to 150 ). 2. Safe material / clear appearance Our glasses are hand-blown from sturdy borosilicate glass, making them thinner, lighter and able to withstand temperature shocks, scratch-resistant and break-proof. They have good texture and the crystal clear vision makes them attractive. 3. Wide range of application: The heart-shaped double-walled insulating mug can be used for cappuccino cups, lungo cups, macchiato, latte, tea, smoothie and juice. These coffee mugs are a nice addition to any cafe, restaurant, pub or home. 4. HANDMADE Each double wall mug is handmade. The inner layer of the double wall insulated tea cup is heart-shaped and the outer layer is circular. It is the ideal gift for your family or friends, especially on special occasions like birthday, housewarming, wedding, parties, etc.