Humidifier for Stringed Instruments: Guitar, Violins, Cellos, Mandolins. The Oasis® Humidifier that lets you see when it’s ready for refill. With dry Humigel crystals.
Oasis® case humidifier has two very small neodymium magnets locted inside the seam on the humidifier. The magnets attach to your case by either a clip, which fits over the side of the case, or a small sticky back stainless steel strip which adheres directly to the inside of your case.