Professional Mica Carved Rosewood Guzheng Instrument Chinese Zither Koto Size: 64'' (length) * 12.6'' (width), standard size. String number: 21 String material: steel string with nylon cover. Veneer material: sandalwood. Sound board material: A grade paulownia wood. Structure material: pine wood. Original Accessories: string bridges with ox horn sink, standard guzheng string (fixed), tunning hammer, A style guzheng stand, user mannual ( Chinese). Additional Gifts: professional guzheng nail 2 sets ( 8 pcs, 4 for each hands), guzheng bag, spare strings for 1-5, electric guzheng tuner, anti-allergy rubberized fabric, cleaning brush, common music stand, dust proof cover. All the material used were of good quality and were soaked, dislagged and dried before using, which directly contribute to the smooth touch feeling and good sound of the guzheng.