Useful Rosin Resin For Violin Bowed String Musical Instrument

[Set of 2 shapes rosin] with 2 different shapes bows rosin, 1 round square rosin, available to deal with for all types of strings. [safety and Health ] Rosin with Good quality and rosin protect human body against the harm. [Natural rosin] these the rosin are good quality natural rosin, in a handy container to hold it easier without touching the actual rosin, easy to apply, high not brittle and not easy crack. [Improve sound effect] the rosin have a good and that great grip and sound penetrating, produces a beautiful, powerful whole sound, can make the music instrument sensitive and [Wide applications] the rosin is suitable for horsehair or synthetic hair , which is commonly applied for the high pitched violin and and also improve the lower pitched s treble tones.