Brownies, bar cookies and cakes bake to perfection in our professional-weight rectangular cake pan. Made in the USA, the aluminum-coated steel heats quickly and evenly to ensure uniform baking. Commercial-grade aluminized steel distributes heat quickly and evenly for consistent baking results. Won't corrode or rust, even with heavy use. Coated wire reinforcement along the rim maximizes durability and resistance to rust and warping. Folded construction enhances strength. Made exclusively for Williams Sonoma in the USA.