Modeled after the original French butter crock, Butter Bell crock keeps butter fresh and spreadable for up to 30-day without refrigeration; no odors or spoilage;Made of high quality, durable bone china; glazed in a creamy white color with rich blue banding around edges and bottom;To use: pour cold water into base, pack lid with softened butter, replace lid into base;Holds 1 stick of butter; change water every 2-3 day;Dishwasher safe, lead & cadmium free