Hand crafted Polish pottery bakeware, imported from Boleslawiec, Poland. Polish Stoneware is safe to use in the oven, microwave, and dishwasher. When used in oven, our Polish pottery provides an even heat distribution while retaining moisture. Due to clay’s natural tendencies, all foods stored in our Polish stoneware will preserve freshness for extended periods of time. The hard glaze finish makes cleaning your Polish stoneware easy.