Glass Stovetop Whistling Kettle Glass Stovetop Whistling Tea Kettle. A great way to boil water for tea, coffee, cocoa, soup, and MUCH more. Made from Lab-Quality boroscilicate glass with a heat-resistant handle, the kettle is designed for use on any type of stove, and the classic design works well with any decor. Product Features: 12-cup whistling kettle made of thermal-shock-resistant borosilicate glass Removable lid; heat-resistant phenolic handle; drip-free spout Can be used on gas or electric stovetops; dishwasher-safe Includes metal heat diffuser for safe use on electric range coils Product Built to North American Electrical Standards