non-stick coating,good quality, easy clean,fast heat transfer save energy by ... alloy2) Handle: bakelite handle, 3) Interior surface: 2layer black nonstick coating Xyflun4) Exterior surface: heat resistant painting5) Spec.: 20/24/28cm ... 32cm Oval roasterProduct Advantages:good quality,nice looking,Non-stick surface, fast heat transfer, uniform heating Die-casting Aluminum Non-stick Cookware Set