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. The Chicago Metallic Professional line of bakeware makes cooking and baking a delight. The non-stick surface easily releases each recipe and makes clean-up effortless. 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. The Baking Rack is perfect for cooking bacon in the oven or cooling freshly baked cookies. These pans are made from heavy-weight aluminized steel for superior heat conduction and even baking. They features an easy release, silicone based, non-stick coating for ease of baking and cleanup. Non-stick 3-piece set includes (2) cookie/jelly roll pans and 1 cooling rack pans measure 16 in. x 12 in. x 2 in., rack measures 16-1/2 in. x 11-1/2 in. half sheet pan. Outside measurements of the baking sheets are 17.75 in. x 12.9 in. x 1 in. and the bottom of the pan measures 16.75 in. x 12 in. Oven safe to 450°F / 232°C; not intended to be used under the broiler. Sharp-edged utensils and knives should not be used. Color: gray. Material: Carbon Steel.