Calphalon Commercial Bakeware 12-Cup Muffin Pan 12-cup muffin pan bakes muffins, popovers, cupcakes, drop biscuits Heavy-gauge aluminum construction; rolled reinforced rims prevent warping Double nonstick coating for durability and easy release of baked goods Two-tone design ensures baked goods stay moist and don't overbrown Oven-safe to 450 degrees F; lifetime warranty