Revolutionize pizza night with the Weber Original Gourmet BBQ System Pizza Stone Insert. This insert goes seamlessly on your grill to make delicious restaurant-style pizza right from your backyard. It's made from cordierite stone, which absorbs moisture during cooking to produce light and crispy thin crust pizza. Backyard pizza has never been easier or tastier. An easy, built-in carry rack allows you to transport your freshly-made gourmet pizza to your guests to be served.