1、Constructed by high quality rosin material, dust-proof, durable for long term use, with greater transparency and purity. 2、Unique fragrance and violin shape design, beautiful and easy to use.It let your instrument have no noise. 3、Exquisite workmanship and unique formula, has strong adhesion, its action and fragrance time is double than general rosin. 4、Applied to the bow of instruments, increase the friction of the bow and the strings, thus making a wonderful sound. 5、Suitable for all types of stringed instruments, such as erhu, violin,etc. Features: Constructed by high quality rosin material, dust-proof, durable for long term use, with greater transparency and purity. Unique fragrance and violin shape design, beautiful and easy to use.It let your instrument have no noise. Exquisite workmanship and unique formula, has strong adhesion, its action and fragrance time is double than general rosin. Applied to the bow of instruments, increase the friction of the bow and the strings, thus making a wonderful sound. Suitable for all types of stringed instruments, such as erhu, violin,etc. Specification: Material: Rosin Color Options: Black, Wood Grain Size: 7.2*4.2*2.1cm/2.8*1.7*0.8in Package List: 1 x Rosin