7-piece Cookware Set is made of 2.5mm Heavy Gauge Aluminum with non-Stick Coating. 2-1/2mm heavy gauge aluminum, tempered glass lid, long-lasting heat-resistance bakelite handles and knobs, two-layered non-stick coating interior, durable granite finish exterior, dishwasher safe, five-layer color gift box includes 1-1/2-quart sauce pan, 2-quart sauce pan, 5-quart dutch oven, and 9-1/2-inch fry pan.