Compact guitar humidifier designed to protect wooden instruments from drying damage. Lightweight, portable, and easy to use, this humidifier helps maintain stable humidity inside the instrument body to reduce cracking, panel sinking, and finish creasing. Key benefits Prevents drynessrelated damage to soundboards and finishes by providing balanced humidity control. Compact size fits most soundholes and case compartments for convenient use and storage. Thick internal sponge and ventilation holes deliver even, safe humidification without dripping when filled correctly. Durable construction using plastic, sponge, and electronic components for long term use. Features Dimensions: 8.5 x 5.5 x 4 cm. Color: Black. Materials: plastic, sponge, electronic components. Package contents: 1 x guitar humidifier, 1 x kettle for filling. Filling options: add water through the filling hole or remove and dip the sponge; designed to avoid leakage when used as instructed. Balanced humidification through breathable holes and an internal sponge; helps drying and moisture protection for acoustic, classical, folk guitars and ukuleles. Automatic humidity control function integrated to help maintain appropriate moisture levels inside the instrument. How to use Fill the humidifier by pouring water into the hole using the included kettle or by dipping the sponge into water. Place the humidifier inside the instrument body through the soundhole or position it in the case next to the instrument. Check and refill the sponge periodically depending on local humidity and climate. Suitable for Acoustic, classical, and folk guitars that need humidity maintenance during dry seasons. Ukuleles and other small wooden stringed instruments. Transport and storage: use inside the instrument case when traveling or storing instruments in heated, air conditioned, or low humidity environments. What makes it practical Small, lightweight design for easy placement inside the instrument or in a case. Simple filling and maintenance with the included kettle and sponge system. Ventilated construction for even moisture distribution without direct wetting of the instrument surface. This humidifier is a straightforward tool to help preserve the condition and sound quality of wooden stringed instruments by maintaining stable humidity in common use and storage situations.