Description This high-quality rosin used for the maintenance of various stringed instruments is of good quality, gentle and practical. It is used to increase the friction between the bow hair and the strings, so that your instrument can have a clearer and brighter sound. Features -Color: Olive Green -Material: Rosin -Size: About13.00X13.00X2.00cm/5.11X5.11X0.79inch -It has a wide range of applications and can be used for violin daily maintenance, which is professional and portable. -High-quality and practical rosin can effectively increase the friction between the bowstring and the string. -Professional high-quality rosin can make the sound of violin clear and bright, giving you a batter performance experience. -The carefully made rosin is of good quality, high viscosity, not brittle, and not cracked. -This is a very practical musical instrument accessory and a great gift for stringed instrument lovers.Package list: 1 x rosin