Made from sturdy materials, the guitar humidifier is not easy to deform or break, ensuring long-term use. Designed to be easy to use, allowing you to achieve the perfect guitar humidity and sound in a simpler and better way, enables you to have good using feeling. Features -Color: Black -Material: Plastic -Size: About 8.50X7.50X2.90cm/3.34X2.95X1.14inch -Compact size and lightweight design make this guitar humidifier easy to carry in your guitar bag or case, you can take it with you wherever you go. -This guitar humidifier can help provide the proper amount of moisture to your guitar during dry winter weather, helping to improve the sound quality and crispness of your instrument. -Practical guitar hole humidifier can be a great gift choice for friends or family members who are learning to play the guitar. -Designed for guitar sound holes, this guitar humidifier is easy to use and can help your guitar have a better condition and state. -This guitar humidifier is a must-have accessory for any guitar player to use. Package list: 8 x guitar humidifiers