This muffin pan is quality that you can feel. Developed by American Pan, the world's largest manufacturer of industrial bakeware, this 12-cup muffin pan is constructed of commercial grade aluminized steel. The clear silicone coating gives the pan its non-stick, non-toxic, and environmentally friendly qualities. Made from 65% recycled steel, it will withstand oven temperatures up to 450 degrees. Please, use only silicone, nylon, or wooden utensils. Hand wash.