The Original Butter Bell Crock by L. Tremain, Cobalt Blue Striped 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; design features - Cobalt Blue Stripes 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