At Chicago Metallic, we believe that serious baking requires serious bakeware. That's why we've been crafting innovative equipment, for professionals and serious home bakers, for over 100 years. We've built a global reputation one kitchen at a time. People know our products are built for durability and can be depended on year after year. We're proud to offer three distinct lines of premium bakeware plus stylish, innovative specialty bakeware and baking essentials. The Chicago Metallic Commercial II line of bakeware makes cooking and baking a delight. It's the preferred choice of bakers who understand quality and design, but also want professional-grade durability. This set of Cookie Sheets/Jelly Roll Pans are ideal for sweet treats like jelly rolls, bars, and cookies but can also be used to make one-sheet-pan meals, roast vegetables, reheat leftovers. These pans are made from heavy-weight aluminized steel for superior heat conduction and even baking. They features a traditional, uncoated baking surface. This excellent set includes (2) cookie/jelly roll pans, each measuring 16.75-by-12-inch-by 1-Inch. Oven safe to 450°F / 232°C; not intended to be used under the broiler. Sharp-edged utensils and knives should not be used.