From the Thomas Keller Insignia Collection. Designed by chef Thomas Keller, this stainless steel lid boasts durable construction with an innovative steam vent built into the Hestan logo to reduce pressure, prevent boil-overs, and eliminate rattling during the cooking process. 70% stainless steel/30% aluminum Oven safe Dishwasher safe Made in Italy SPECIFICATIONS Diameter, about 12.5" Length, about 18.58" Weight, about 1.76 lb. Gifts - Kitchen > Hestan > Saks Fifth Avenue > Barneys. HESTAN.