NerdChef Steel Stone - High-Performance Baking Surface for Pizza (.375" Thick - Pro) 20x higher conductivity than ceramic baking stones. Gorgeous crusts, better blistering, and faster cook times. Low-friction surface: textured, sanded smooth, seasoned with flaxseed oil. Solid steel, unbreakable, guaranteed for life. 16" x 14.25" x .375" - 23lbs (Warning: It's heavy!) Made in USA.