These aluminum baking pans are made from uncoated, heavy-gauge bare aluminum for optimal thermal performance and food safety. Their thick construction and reinforced encapsulated steel rim prevent warping at temperatures up to 500°F, while the tall sides reduce oven splatter. The set includes a quarter sheet pan, jelly roll pan, and half sheet pan—each designed for even heating, crisp browning, and versatile use across cookies, roasted vegetables, proteins, and sheet-pan meals. Unlike coated or stainless alternatives, these pans rely solely on natural aluminum conductivity, eliminating concerns about chemical leaching or degradation over time. A gradual, harmless patina develops with regular use, improving nonstick behavior without seasoning effort. Hand washing preserves surface integrity, though occasional oxidation from dishwasher use poses no health risk. The rolled edges add durability and structural rigidity, supporting commercial-grade handling in both home and professional kitchens. Heat spreads rapidly and uniformly, reducing hot spots and cutting bake times compared to steel pans. These pans are BPA-free, non-toxic, and certified food-safe for daily use. Color: Silver.