What is this? A guitar cleaner brush is mainly used for the daily cleaning of guitars String or other musical instruments.Widely used for Guitar, Bass What will I get? Guitar String Cleaner, we provide here, are in the size of: Material: Plastic Color: Yellow,Black,Red,Green Size: 104*61*25mm / 4.09 x 2.4 x 1 inch (L*W*H) In the package of: 1 /2 Pack x Guitar String Cleaner Is there any advantages of the product? 1. Fretboard design can clean the strings from all sides, extending the life of the strings. Good cleaning performance, small size, easy to carry, you can use it anywhere at any time 2. The guitar cleaner is made of microfiber material, which cleans the strings without damaging the surface of the strings, preserving the original sound of the strings. How to use it? Open the guitar cleaner, place the bottom under the strings, then close and tighten, dragging back and forth along the strings What should I notice? All size above is measured by manual, please allow +/-0.1 inch error.