Circulon Infinite Hard Anodized Nonstick 1.5-Quart Covered Saucepan Patent pending stainless steel base is suitable for all stoves including induction and glass top. Stainless steel fully encapsulates an even heating aluminum core. Unique stainless steel lid locks in place for easy and safe straining of large foods on one side and small foods on the other. Hard-anodized aluminum for exceptional strength and cooking performance. Uniquely dishwasher safe with a superior nonstick exterior for easy cleaning. Independent lab tests prove Circulon's TOTAL nonstick system outlasts all nonsticks - guaranteed! Raised circles take the abuse of utensils leaving the low lying areas untouched