Royal Gourmet 12" Round Cordierite Grilling Pizza Stone for Oven or Grill Durable Baking Stone - superior cordierite material, made of 100% All-Natural FDA-Safe Material Heat Fast & Evenly - allows baking up to 1000 F, stone can withstand extreme heat and handle temperature changes without cracking Crispy Crust - engineered to achieve a crispy pizza crust every single time Use on Ovens & Grills not just for pizza, also perfect for bread, pastries and other food Dimensions: 12" diameter, 1/2" thickness, much thicker than most stones