From Demeyere, this cookware set features: Demeyere Atlantis appeals to professional and home chefs for its exceptional performance and elegant design. The 7-layer construction provides unparalleled frying, perfect browning, and guarantees exceptional heat distribution and retention. The straight-sided pans boast a 7-layer base, InductoSeal, whose copper disk ensures impressive heat conduction Flared pans have specialized 7-ply material, boasting an aluminum core, which is used up to the edge so that heat is spread evenly over the entire surface of the pan Proprietary technology ensures the base stays flat even when heated The patented Silvinox surface treatment maintains the beautiful silvery white matte appearance Enjoy easy maneuverability with the stay-cool, welded handles while the rolled rims encourage dripless pouring Oven safe to 500°F Compatible with all heating sources, including induction Dishwasher safe 9-piece set includes:  Approx. 2.3-qt. saucepan with lid Approx. 3.5-qt. saucier with lid Approx. 5-qt. saute pan with lid Approx. 8.9-qt. Dutch oven with lid Approx. 11" proline fry pan  Imported.