Maintaining the good humidity array with small work is really a snap! This two oz. jar is filled with exclusive pre-charged drinking water absorbing gel crystals. These jars can be utilized Together with your humidor's existing humidifiers or by themselves. To use, simply just twist off the cap & location the jar inside your humidor. https://medium.com/@refinedtraditions/the-ultimate-buyers-guide-to-humidor-cabinets-09e99f97a801