Features flattened stainless steel wound over a round high carbon steel core with a high polish for great feel and a balanced tone. Made with the highest quality steel core wire and winding materials to give you the most consistent, reliable, and durable string. 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 |