Primo has always been at the pinnacle of innovation and diligently trying to make your Primo Grill, better. The Primo 16-inch natural finish ceramic baking stone (348) allows you to make authentic wood-fired pizza, bake bread, casseroles, and pies. The baking stone offers a baking surface with even heating. natural finished sides help absorb moisture from baking foods like pizza dough - perfect for pizza, bread, cookies and much more. With the Primo 16-inch natural finish ceramic baking stone (348), your possibilities are endless. Only fits the Primo Oval XL, Oval Large, and Large Round Kamado Grills (does NOT fit the Primo Oval JR 200).