Material：wooden Size(cm):21.7*8*16 Warm reminder: This product is measured manually. If there are any errors, your understanding will be highly appreciated. This product does not come with a dust cover. If you need one, please prepare it yourself. Due to shipping considerations, glue and batteries are not included with this item. Customers are required to prepare silicone liquid adhesive and AAA - sized batteries on their own. Note: This product is not for sale in the state of California, USA, nor will it be shipped to this region. The online store shall not be held liable for any issues arising from attempts to purchase or receive this product in California.