Achieve sound performance with this professional rosin, ideal for erhu and violin bows. The yellow rosin provides excellent adhesion, resulting in a rich, clear tone. The included cloth ensures easy application, making it a must-have for musicians looking to maintain their string instruments in top condition. Features -Color:Multi -Material:Resin, cloth -Size:4.00X4.00X1.70cm/1.57X1.57X0.67in -Size:8.00X8.00X0.10cm/3.14X3.14X0.04in -Professional performance: this rosin is specially designed for erhu and violin, suitable for various string instruments, ensuring fine performance -Portable and fresh: comes in a paper box that is easy to carry, keeping the rosin for use whenever needed -Exceptional sound: made from sturdy yellow rosin, it delivers outstanding tone and sound performance, enhancing your musical experience -Enhanced play ability: formulated to make strings easier to play, it improves overall performance and sound production -Stable and pure: provides adhesion, ensuring stable strings and pure sound, ideal for both professional and amateur musicians Package list: 1 x rosin 1 x cloth