The muffin pan's heavy-duty construction resists warping and provides even heat distribution; the medium color tone aids in even browning Durable nonstick inside and out provides beautiful food release with easy cleanup; muffin pan is oven safe to 450 degrees Fahrenheit (lid excepted) This muffin pan's wide rim features rubberized handles to provide solid grip and a comfortable grasp, even with bulky oven mitts The sturdy, clear plastic lid helps keep protect baked good freshness and decorated muffins for transport The covered muffin pan makes a perfect addition to start or complete your own Anolon Advanced Bakeware collection