Introducing the Half Sheet Pan by USA Pan. With dimensions of 17 ¼ x 12 ¼ x 1 in., this baking sheet is a product of a family-owned business based in Pittsburgh since 1959. USA Pan is trusted by both home cooks and professional chefs alike. Our bakeware is not only used in households but also favored by renowned brands like Sara Lee and McDonald's. Quality and durability are at the heart of our products, making them a staple in kitchens across the globe.