The lid has warped due to the natural wood, but it should still be usable if you put the butter in with its wrapper. There are some oil stains, possibly due to poor storage. For those who like natural wood, please understand this before purchasing. W160 × D90 × H55(mm) / 155g Wooden, Made in Japan, Solid Wood For more details, please see the Butter Case on the Das Holz website. Butter Case A one-piece butter case made by hollowing out solid wood. The seamless, beautiful silhouette allows you to use it with butter in either the top or bottom. Like a cutting board, its simple shape makes the most of the beautiful wood grain and color.