The new and uniquely designed COBB Pizza Stone is perfect for the avid, home- pizza maker. Made out of cordierite, which is far superior to ceramic due to it's resistance to thermal shock, the Pizza Stone allows one to create delicious and authentic pizzas anywhere. Technical Specifications * Weighs approx 1.35 kgs/2.97 lbs * 269 mm in diameter * 24 mm in thickness * Made out of cordierite