Lightweight carbon steel quickly brings water to a boil. Porcelain enamel is non-reactive and nonporous. Resists stains rust scratches and flavor absorption. Fixed single-tone whistle alerts when water reaches a rolling boil. Whistle spout flips open for pouring. Inside markings on kettle note minimum and maximum water fill levels. Stay cool folding handle and stainless steel knob. Safe to use on all cooktops including induction. Recommend hand wash only. 1.7-Quart capacity. Dimensions: 9.75" tall with handle 8.25" diameter.