Polish Pottery Unikat 1 Liter 33 oz Pitcher, Eva's Collection "Serenity" Holds 1 L (33 oz)., 6.5 Oven, microwave, dishwasher and freezer safe without losing the beautiful colors and textures. Polish Pottery from Boleslawiec is scratch and chip resistant; lead and cadmium free Premium European Stoneware Certified Quality 1. Part of Eva's Collection Fired at temperatures over 2,300 degrees F for long-lasting beauty.