Key features

• •Two-Way Humidity Control: Starfavor 49% Guitar Humidity Control Packs features a maintenance-free two-way humidity control system that automatically absorbs or releases moisture as necessary. It stabilizes the humidity inside the instrument case within the ideal range of 45-50% RH, protecting your instrument against warping, cracking, and other damage caused by significant humidity fluctuations
• •100% Leak-Proof: The humidity control packs is the first on the market to use natural plant fibers as its raw material, extending its lifespan to 3-6 months. It is non-toxic and odorless, and will not turn into liquid even after absorbing moisture, effectively eliminating the risk of leaks and ensuring stable performance. You don't need to worry about damaged packs even during rough transportation
• •Upgraded Packaging: Outer packaging is made of two-way breathable paper, offering more precise humidity control. The thermoplastic sealing provides a double guarantee that the package is firm and resistant to breakage. Original sealed bag preservation, the guitar humidity packs has a shelf life of up to 1 year
• •Complete Package: Starfavor Guitar Humidifier Maintain Kit includes 4 × guitar humidity packs; 1× double-sleeve cloth pouch; 2 × single-sleeve cloth pouches; 1× hygrometer. Tailor-made for you to get started with a full set of accessories, it is easy to operate. No more manual adjustments based on seasonal temperature changes or geographic locations. Saving time, effort and money
• •Versatile Applications: Suitable for hollow and semi-hollow guitars, basses, violins, cellos, ukuleles, and mandolins. Whether you are professional musicians; instrument techs; music teachers; or hobbyists; student musicians use Starfavor humidity control packs for easy and precise humidity management for instrument storage