【Materials】 This koto is made of high-quality wood, ensuring durability and excellent sound quality. 【Number of Strings】 The 13-string design produces a rich tone and expands the range of performance. 【Design】 Featuring a beautiful wood grain, it's an item that is visually appealing. - Material: Wood - Number of Strings: 13 - Shape: Rectangular Thank you for viewing. Please understand that this is a used item. Koto only. Will be wrapped in bubble wrap for shipping. Includes 12 koto bridges.