This enchanting collection will become a part of your holiday tradition and serve your family for years to come The Vietri Winterland White Snowflake Platter is handcrafted of durable stoneware in Veneto. 17.5” x 12.5”. Handmade in Italy. Italian Stoneware - Vietri uses stoneware clay that is indigenous to Italy. Stoneware clay is less porous and fired at higher temperatures to make it oven, microwave, freezer and dishwasher safe, and highly resistant to chipping and breaking.