Farberware Nonstick Bakeware 10-Inch x 15-Inch Cookie Pan, Gray Cookie sheet made of 0.6-mm cold-rolled steel for strength and durability Two-coat silicone polyester nonstick coating for easy food release and cleanup Oversized handles for safe, secure grip without putting oven-mitt thumbs in the pan Hand wash only; oven-safe to 450-Degree Fahrenheit Outer dimensions are 17.75x11x0.625