Turn the messy process of buttering corn into good, clean fun. A cute and functional way to butter corn-on-the-cob. Avoid both wasting butter and creating a buttery mess. Store upright in the refrigerator when not in use. Fill with ½ stick of butter; remove cap to glide easily on corn. Press the plunger on bottom when butter is running low. Plus, it's dishwasher safe, making cleanup a snap.