Perfect for the casual baker, our entry-level bakeware collection features a sturdy nonstick silicone coating at a great value. Aluminized steel, the material of choice for professional bakers, provides excellent heat transfer for even baking results. Twelve wells are sized for standard muffins and cupcakes. Lightweight aluminized steel construction. 15 3/4" x 11 1/8" x 1 3/8" high. Made exclusively for us by a 50-year-old American company, North America's only manufacturer of commercial bakeware.