The handle uses high quality burnt preventing material and the surface is skid resistant processed. When take it in the hand, it will slide and feels smooth. Comfortable physical engineering sciences handle design. Press the button to open the kettle cover. It is easy to operate. The kettle cover passed 10000 times open and close test to ensure long time life expand. Filter screen One-batch forming filter screen is easy cleaning. The water tastes without water scale tastes very sweet.