Item Type: Violin HumidifierMaterial: SiliconeSize: Approx.30cm / 11.81in 1Excellent Material: The violin humidifier is made of soft and reliable silicone, which is strong and reliable, not easy to break, and easy to insert. 2Proper Size: Violin humidifier instrument accessory measures about 30cm / 11.81in long, which is appropriate in size for you to apply on violin and viola. 3Practical Function: The musical instrument humidifier can humidify the violin when the weather is dry, so as to prevent the distortion and cracking of the board, poor string movement, buzzing, protruding end of the post, sinking of the top and other problems caused by dryness. 4Simple Operation: When using a violin humidifier, it is fixed to the strings and will not touch the body, causing no burden to the strings. You can use humidifier with confidence. 5Wide Application: Violin humidifier is suitable for winter heating, air conditioned rooms, open style underfloor heating and other low humidity and dry environment, can also be given as gifts to violin lovers.