Enamel-on-Steel Surface Sauté w/Lid 4 Quart 11 inch, Cobalt Blue. Oven safe to 375 degrees F. Chantal's Enamel-on-Steel cookware combines colorful, high-quality German enamel with a heavy-gauge carbon steel core, creating naturally stick-resistant, nonreactive pots and pans that heat quickly and evenly. Enamel-on-Steel cookware requires no seasoning or polishing, and is easy to clean inside and out. Features include stainless-steel rims that protect the pots and pans against chipping, stay-cool handles with hanging holes, and tempered glass lids that are oven-safe to 375 degrees F. Chantal cookware is freezer- and oven-safe and carries a lifetime warranty. Long lasting, high quality enamel-on-steel guaranteed not to fade. Healthy, non-pourous surface won't react with foods or flavors, the perfect shield between food and the metal core. Heavy-gauge carbon steel core heats faster and promotes perfect browning.