Made of 18-8 stainless steel. Double reinforced corners and unique impact resistant edge design help pans hold shape even under the toughest conditions. Pans go from freezer to oven to serving line; ideal for cook-chill operations. Designed to fit into Carlisle's Coldmaster? Cold Pans for superior cold retention. Eliminates the need for messy and unsanitary ice baths. Notched lids allow easy access with serving spoons.