Chantal’s Button stovetop kettle in Onyx is made of a high-tensile carbon steel body showcasing a one-piece design with a wide, flat bottom for even heating and quick boil, you can expect a lasting kettle that stands up to daily use with ease PREMIUM INNER LINING: Our tea kettle boasts a boiler enamel interior, the gold standard in commercial-grade products. Sourced from a leading US provider of porcelain glass enamel, this non-reactive layer ensures flavor integrity and the utmost in food safety CHARMING WHISTLE ALERT: Never forget a boiling kettle again! Button's whistle emits a gentle and enchanting note from a distance, alerting you when the water's boiling — perfect for those bustling days VIBRANT & ENDURING FINISH: Constructed with an exterior enamel fired at high temperatures to perfection, Button Kettle presents a glossy finish in our trending colors. This triple-coated exterior is durable, fade-resistant, and suitable for all stove tops including magnetic Induction DISCOVER THE PERFECT POUR: Featuring a press-gate spout, refined over 50 years of innovation and customer insight, ensures a steady flow and accurate pour. Paired with our ergonomic stay-cool handle, the Button teakettle promises an unparalleled experience of precision and safety with each pour