From Caraway, the Baking Sheet Duo Large & Medium Set features: Baking essentials for any kitchen, meet the Baking Sheet Duo—an oven-ready pairing of our Large & Medium Baking Sheets. Featuring a naturally slick non-toxic ceramic-coated interior, these sheets make healthy baking (and clean up) easier than ever. Non-stick ceramic coating Aluminized steel body Free of PTFEs Hand wash only Oven safe up to 550°F Each Measures: Large: 18" x 13" Medium: 15" x 10" Imported. Product Disclosure