Keyaki (Japanese Zelkova) wood. This item has been stored at home for over 10 years, and tape is applied to the edges to prevent splitting. It has been planed and finished, but there is some discoloration due to long-term storage. Please consider purchasing if you understand that this is a used item. I will sell it to someone who will use it with care. Size: Length: 50 cm Width: 25.3 cm Thickness: 8 cm Weight: Approximately 0.6 kg Please understand the details from the images. Thank you.