Butter bell crocks are a great way to store butter outside the fridge. They keep butter soft and spreadable at room temperature by using an airtight water seal to protect the butter. You use it by firmly packing a softened brick of butter into the inverted bell-shaped lid, and placing it upside down into the base which is filled with cold water to a depth of about an inch (It is important to press out any air pockets to prevent the butter from falling into the water). The water creates an airtight seal that protects the butter's flavor and freshness while keeping it at the perfect spreading consistency. For best results, the water should be changed every two to three days and the crock should be stored away from direct heat or sunlight. This particular one has been designed to hold upto 100g of butter and has a rustic farmhouse look that we like.