HEAT IS NOT THE ENEMY: All 10 pieces of our kitchenware set are heat-safe even at high temperatures of up to 230°C (446 ̊F). COMPLETE 10-PIECE BAKEWARE SET: Including 2 cookie sheets, 2 round cake pans, 12 cup muffin pan, loaf pan, pizza crisper, deep dish pan, 9x13 storage pan plus a special cover for the storage pan so you can take your baked goods from the oven to the freezer instantly.