Brand new technology! Kaiser Bakeware is the first to manufacture metal bakeware lined with silicone! La Forme Perfect is the best of both worlds. Unique combination of materials: outside made in the approved La Forme quality metal and inside sealed with special silicone bonding for nonstick surface. The result is the perfect bakeware! * Commercial weight steel provides even and gentle heat distribution * Slicone Interior coating eliminates the need for flouring the pan, resulting in baked goods with a smooth crumb * Double layer non-stick exterior coating for easy cleanup.