1.The high borosilicate lead- cold kettle made of and glass which can withstand sudden heat and sudden cold (-22℉ to 302℉). The pot body is a gradual transition of blue from light to deep transparent as gemstone; And the glass carafe has silicone jug lid; The shape of the mountain at the bottom of the pitcher 2.The durable borosilicate glass teapot can boil water on a cast iron burner directly that means the drink pitcher is stovetop & microwave . The v-shaped spout of the juice pitcher allow effluent smooth; Perfect to prepare and serve cold or hot milk, water, coffee, iced tea, wine, beverages, fruit infused juices 3.The high stable glass water jug is not afraid of high and low temperature, frozen juice beverage carafe into boiling water does not crack; The glass infusion pitcher with lid has low expansion rate, high temperature resistance, high strength, high hardness and high light transmission characteristics 4.The mouth of the water carafe is large enough for your hand that means the water jug is convenient to pour and easy to clean; The milk pitcher is Dishwasher-, but hand wash is recommended. The lid is detachable and the stain can be easily cleaned