This versatile cleaning fluid is suitable for various string instrument, including erhu, violin, and viola. It not only cleans the strings but also conditions them, preventing wear and tear. The easy-to-use wiper allows for quick and efficient cleaning, ensuring your instrument always looks and sounds its better, ready for any performance. Features -Color:Multi -Material:Liquid -Size:7.50X3.70X3.70cm/2.95X1.45X1.45in -Clear sound enhancement: precision formula designed to elevate the sound quality of your performances -Broad compatibility: works with erhu, violin, and other string instrument, ideal for diverse musical needs -Dustfree application: liquid form allows for easy application, minimizing and maintaining a clean environment -Extended effectiveness: formula reduces the need for frequent reapplication, enhancing practice sessions -String preservation: protect against string wear, extending the life of your instrument and ensuring peak performance Package list: 1 x dustfree liquid