Norpro 284a Stoneware Butter Keeper Blue Bands Handle on Top 4 by 3.5-inch. Condition is "New". the Norpro Butter Keeper Crock ceramic stoneware holds up to one stick of butter, keeping it fresh in your kitchen without refrigeration for up to 30 days. The secret is a water compartment in the bottom half that helps keep butter fresh, soft, and spreadable. Its attractive white porcelain construction makes it nicely complement almost all types of kitchen and dining room decor. You can say goodbye to hard-to-spread butter when you use the Norpro Crock.