Warm And Toast Buns For Perfect Burgers And Dogs, Keep Your Hors D'Oeuvres Crisp, And Make The Most Delicious Open-Faced Sandwiches Using The Napoleon Warming Rack Baking Stone. Made From Cordierite Ceramic, This Multifunctional Stone Is The Perfect Size For The Rogue Series 425 Grills Or Larger, And Adds To The Oven-Like Capabilities That Napoleon Grills Are Known For.