Calphalon Professional Nonstick II Limited Edition 10-Inch Omelet Pan Made of heavy-gauge aluminum for superior heat conductivity without hot spots or warping Two-layer advanced nonstick interior; anodized for hardness Thick-bottomed for rapid, even heating; double-riveted, stainless-steel handles Use only plastic, nylon, and wooden utensils on nonstick coating Oven safe to 450 degrees; lifetime warranty; made in China