Thank you for viewing this product. Material: Chestnut Size: 18cm, thickness 1.2cm Finish: Urushi lacquer wipe finish *Notes* Each piece has a different wood grain and a unique expression. There may be knots in the wood, and the color may not be uniform. Because it is made by hand using natural materials, there may be slight variations in size and shape. Please enjoy this one-of-a-kind piece. We are also selling other items such as Wagatani trays. Please take a look if you are interested. Thank you.