The Blaze 14 3/4″ Ceramic Pizza Stone with Stainless Steel Tray for Prelude LBM/LTE/LTE Plus/LTE PRO Gas Grills features a durable, high-fired refractory stone for even heat distribution and moisture absorption, delivering perfectly crispy, restaurant-quality pizzas. Encased in a durable stainless steel frame, its built to withstand high temperatures and resist cracking, even with sudden temperature changes – perfect for family pizza nights at home.The Blaze Pizza Stone Frame is made out of commercial quality heavy duty 304 Stainless SteelThe stone is made of durable high-fired refractory stone, which distributes heat evenly and absorbs moisture for a hot crispy pizzaPizza stone will NOT CRACK no matter how extreme the change of the temperatureThe pizza stone passed both FDA and ROHS standards