Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

This little rosin can increase friction of bow hair and make them speak so that it is a good helper to better your performance. As a saying goes， a handy tool makes a handy man. This gadget will deserve your try!Features:Help to grip the hair and make them speak， or vibrate clearly， better performance.Small in size， stored in a mini box for ease of use and transport.Applied to bow hair to increase friction.Designed for string instrument， such as for violin， viola， cello ect.Specifications:Material: ResinProduct Size: 6.9 * 6.9 * 3.5cm / 2.7 * 2.7 * 1.4inPackage Size: 7 * 7 * 4.3cm / 2.8 * 2.8 * 1.7inPackage Weight: 76g / 2.7ozPackage List:1 * Rosin