Super durable, lighter than cast iron and oh, that gorgeous unexpected blue. Perfect for toasting nuts, roasting sweet potatoes and baking small batches of cookies, our slate blue baking sheet is part of our exclusive bakeware collection that takes its cue from professional kitchens. Made of carbon steelan alloy of 99% iron and 1% carbon that's nearly indestructiblethe quarter sheet pan heats quickly and maintains consistent temperatures for perfectly browned and crisped foods. The reinforced rim prevents warping, and a double layer of silicone-based non-stick coating ensures easy release and quick cleanup.