Dimensions: 11'W Style number: KP01/91 Measurements: 11' W Made of Ceramic Stoneware Made in Portugal Oven, Microwave, Dishwasher, and Freezer Safe Over time Pewter Stoneware will naturally age resulting in a lived in and rustic look.  This is part of the desirable character of the glaze which is very much similar to actual pewter.  To help preserve the original glaze we recommend placing plate liners between your plates while storing between use.