Primo has always been at the pinnacle of innovation and diligently trying to make your Primo Grill, better. The Primo 13-inch glazed (one side) ceramic baking stone (340) allows you to make authentic wood-fired pizza, bake bread, casseroles, and pies. The baking stone offers a baking surface with even heating. The glazed finish (only on one side) offers a non-stick surface - perfect for pizza, bread, cookies and much more. With the Primo 13-inch glazed ceramic baking stone (340), your possibilities are endless. Fits all Primo sizes.