The Secret to Even Heating and Healthier Eating! We understand knowing what's in your cookware is important, so we searched for a natural alternative that not only bakes evenly but is made with just clay and water. Enjoy creating your perfect pizza with this worry-free, natural, unglazed pizza stone. It absorbs and distributes heat evenly, so you get an evenly brown, yummy crust. Plus, there are no chemicals to worry about! Made in our home state of Ohio. Super durable, this vitrified stoneware is fired at over 2000 degrees F. Naturally non-absorbent and stick resistant. Microwave and oven safe up to 500 degrees F. Dimensions: 14"OD, 1/2" thick. Weight: 6 lb. USA made in Ohio. Care instructions: Get the most out of your pizza stone by following these simple instructions. Hand wash with warm water only; do not use soap as stoneware will absorb it.. Do not soak in water before use.. Never put in freezer; do not transfer from refrigerator to a hot oven, or vice versa; and allow to cool before washing.. Do not use under a broiler, or on stove top..