The TSM Products Fermentation Crock with Stone Weight is a high-quality, beautifully crafted crock pot made by traditional craftsmen in Poland, a country whose enriched vitrified clays are renowned for creating strong and elegant ceramics. Available in four convenient sizes, this is a gorgeous, easy-to-use kitchen accessory for making everything from sauerkraut to pickled vegetables. * Ceramic glaze is fired to temperatures over 2000°F * Lead- and cadmium-free * Unique water-fill-top encourages natural fermentation; prevents mold growth * Excellent for fermenting vegetables and pickling * Handcrafted in Poland * Includes instruction manual