This Mr. Pizza cordierite grill stone set has everything you need to become a pizza pro. First, use the cordierite grill stone to prepare your pizza, focaccia, or calzone for grilling. Cordierite provides excellent thermal shock resistance, eliminates hot spots, and draws out moisture from dough for uniformly browned crust. Next, use the oversized pizza peel to easily slide your stone in and out of the oven. Use the bonus pizza cutter to cut and serve your meal. Now you"re ready to eat! grill stone is 15" and is ready for use. Pizza peel includes convenient folding handle for easy storage.