Ruffoni Historia Decor 6-1/4-Inch Bain Marie, Copper Artisanal hand-hammered copper and ceramic fabrication with jewel-like exterior and finishing details for a lifetime of beautiful cooking and serving Oven safe to 450 degrees Fahrenheit, the saucepan's copper craftsmanship delivers extraordinary heat conduction, with a hand-tinned pan interior The porcelain ceramic bain marie double boiler insert is fitted with an elegant, hand-riveted copper collar that holds the boiler base above the water level This deluxe copper-and-ceramic bain marie set is an exceptional addition to a collection of Ruffoni cookware to treasure for a lifetime Invest in the handcrafted beauty and utility of the Ruffoni Historia