Chef Essential 16" Round Cordierite Baking/Pizza Stone Make your own brick oven taste pizza, breads, rolls, biscuits at home. A pizza stone duplicates crispy pizzeria-style crust. For best results, oven or grill must be pre-heated to 500 degrees F (260C), then insert stone for 30 minutes prior to baking anything on it. Construction from firebrick offers supreme heat retention and evenly balanced distribution, Reheat ready-made frozen pizza. Flat surface releases the pizza or bread easily and quickly. Stone requires no seasoning or conditioning. Durable texture resists cracking caused by high temperatures. Comes with instructions guide. Lifetime warranty from the manufacturer.