The rosin is tailored to meet the needs of string players, providing optimal friction for precise sound production. Its natural composition ensures a balanced application, reducing wear on strings and bows. suitable for practice sessions, it elevates the overall playing experience. Features - Color: Khaki -Material:Wood, resin - Size: 5.20X3.60X2.30cm/2.04X1.41X0.90in -Optimized for performance: rosin for violin, specially designed to enhance the tonal quality and precision of string instruments, delivering a smoother and more expressive sound -Improved bow control: violin rosin, increases the grip between bow hair and strings, allowing for greater control and stability during intricate musical passages -Wide instrument range: suitable for violins, violas, cellos, basses, and traditional instruments like the erhu, meeting the needs of diverse musical styles -Portable wooden box: the compact wooden box ensures easy portability, making it ideal for travel - formula: reduces dust generation to keep your instrument clean while maintaining excellent sound quality and performance Package list: 4 x Viola string resin