The lid has a groove that perfectly fits the exquisite stainless steel butter knife, integrating the butter knife, and butter box. Don't worry about not having a butter knife when you want to cut some butter. Porcelain butter dish with lid provides a natural style for your kitchen. Made of durable porcelain, it is more beautiful and safer than the plastic kind of butter dish. The upgraded wooden lid is more durable than the previous lids,unlike synthetic materials. It also brings a natural style to your kitchen. The wooden lid has a sealed silicone ring, which helps to keep the butter fresh for longer, without absorbing the taste of other foods in the fridge. Easy to clean,the ceramic design makes it easier to clean, you can simply rinse it with water or put it in the dishwasher to clean