16.5" Round Off-white finish. Suitable for the oven or the grill. Safe for heat up to 1450 degrees. Can be used for pizza, bread or tortillas. The Outset Round Pizza Grill Stone helps you easily cook delicious pizza, fresh bread, or tortillas on the grill or in the oven. Crafted from high temperature-resistant cordierite, this grill stone is a must-have for your cooking arsenal.