Heat-Resistant Handle Silicone coated handle allows you to grab the tea kettle with bare hand without risking burns. The ergonomic shape and design maximaze your comfort to lift, pour and fill. Simple-touch button provides easy open & close and makes one hand pouring possible. 18/8 Stainless Steel Construction This tea kettle is designed with a generous 8 inch base that maximizes heat conduction. Our self-sealing lid offers a 100% seal to increase the efficiency of boiling. High-grade 18/8 of stainless steel is suitable for any heat source including gas, electric, induction, halogen and radiant stoves. Loud & Audible Whistle The automatic whistle is loud enough so you can hear the whistle with plenty of background noise. The whistle on this kettle will grab your attention while you are focused on other issues such as housework, movies, or games at the same time. Simple and time saving with no stress.