The William and Sonoma baking tray is a rectangular silver aluminum tray with a textured surface and non-stick coating, perfect for baking on both electric and gas ovens. With a heat resistance of 450°F, it offers even heat distribution for consistent baking results. The tray is 13 inches in length, 9 inches in width, and 1 inch in depth, making it ideal for baking a variety of dishes. Easy to clean by hand wash only, this versatile baking tray is a must-have for any kitchen.