American Metalcraft's 18720 Aluminum Pizza Screen is 20 inches in diameter and designed with holes in the pan to promote a more evenly baked pizza by allowing for more air circulation - giving your pizza a little room to breathe and helping to prevent soggy crust.Great for cooking homemade, par-baked, or frozen pizzas, this pizza screen is the perfect tool if you want to minimize on the time and mess of using a traditional pizza stone which require to be seasoned and pre-heated before cooking. It also makes transferring your pizza from counter to grill or oven easy if you do not have a peel. 20 inch diameter by 1/8 inch height.