Pure manual blowing process, the perfect combination of kettle body and handle, exquisite workmanship, high strength, water without any pressure, sturdy and durable, beautiful and easy.Dishwasher, Microwave, Oven, Gas Cooker and Freezer safe; Not recommended for use with metal utensils; Use a bottle brush with toothpaste can clean stains well.Perfect to prepare and serve cold or hot beverages, water, wine, coffee, iced tea, fruit infused juices. Durable and eco-friendly, best selection for household kitchen storage container.