Description: - 【Product Material】This guitar humidifier and integrated thermometer/hygrometer is made of durable pp, ensuring long-lasting use. - 【Compact Size】The product features a compact screen size of 2.8cmx2.8cm/1.10inchx1.10inch, making it easy to read and convenient to carry around. - 【Versatile Use】It is universally compatible and can be used with acoustic guitars, electric guitars, and wooden basses. - 【Package Includes】Each purchase comes with 1 humidifier and a 10ml water syring for easy refilling. - 【Color & Design】The product has 4 colors to choose and blends well with any guitar design or style, adding an elegant touch while maintaining its functionality. Size Chart: 2.8cmx2.8cm/1.10inchx1.10inch Package Includes: 1 Mini Guitar Humidifier 1 10ml water syring Note: Please allow slightly errors due to manual measurement and different monitors.