Features flattened nylon wound over copper windings and braided steel cores delivering precise intonation, sustain, and tuning stability. The set comes with an extra plain steel 1st string for players that prefer a brighter tone. Silk wound at both ends to protect the instrument from wear and to extend the lifespan of the strings. Dual language packaging communicates the product features and benefits clearly to mainland Chinese and international consumers. | Sealed inner packaging prevents corrosion during shipping and extended storage. Made in the U.S.A. for the highest quality and performance. |