This Ceramic Butter Keeper is designed for convenience and freshness, allowing you to store butter without the need for refrigeration. Using the traditional French butter crock method, it keeps your butter spreadable and ready to use at any time. Simply press in a soft, full ¼ lb stick of butter, add water to the base, and the air-tight seal will ensure long-lasting freshness. Perfectly sized to fit all 1/4 lb sticks of butter from both East and West coast varieties. Made from durable stoneware that is both dishwasher and microwave safe for easy care. Enjoy perfectly spreadable butter every day!