Microhearth 1-1/2-Quart Covered Nonstick 4-Piece Everyday Pan Set with Steam Pan and Muffin Pan 1-1/2-quart nonstick microwave cooking pan made of heat-resistant SPS plastic Converts electromagnetic waves into far infrared energy for versatile cooking options Ceramic-coated metal lid; stay-cool lid handle; generous side rim for convenient transport Hand-wash only; food-grade silicone steam pan and 4-cup muffin pan included Measures approximately 13 by 13 by 7 inches