Made in USA KettlePizza Basic Pizza Oven Kit for 18.5 and 22.5 Inch Kettle Grills, KPB-22 Transforms 18.5" or 22.5" kettle grills into a pizza oven Heat remains stable because lid does not need to be removed to access food Made of 20 gauge, 304 grade stainless steel. Made in USA Kit includes stainless sleeve, handles, thermometer and aluminum pan Works with charcoal or hardwood