The backbone of our Test Kitchen: the baking sheet. Whether you're baking for just you or for a large gathering, this heavy-duty baking sheet is ready to assist. Manufactured from a mix of steel (for strength and durability), and aluminum (for superior conductivity), these baking sheets are made exclusively for us by USA Pan, trusted makers of professional bakeware since 1959. Unsurpassed in quality, durability and innovative design, sheet pans are coated with Americoat, a clear, nonstick, non-toxic, environmentally friendly coating that is specially formulated for superior baking and easy release of baked goods. Our customers, and our test kitchen bakers, swear by these baking sheets; try them yourself and see the difference they can make in your favorite recipes. Warning for Residents of California