Features: 1.COLLECTIONS LAST LONGER: Use our humidor solution in your cabinet, travel humidor, we use premium propylene glycol that maintains 70 percent RH (relative humidity) and prevents the humidor from drying out. 2.KEEP THE FLAVOR: Cigar humidor solution will ensure that your collection stays in better condition with minimal maintenance, no limescale build up, no dust or debris, no bitter taste from over humidification, and no loss of flavor from drying out. 3.CONVENIENT: Guard your collection without mixing unknown solvents or distilled water. Propylene glycol solution that is premixed and safe. Also features a flip up water filler that is easy to use and works with all humidors. 4.SAFE AND GENTLE: Made from propylene glycol, it is odorless, harmless and non irritating. It acts as a protective barrier and maintains relative humidity levels to keep the flavor, texture and quality of your collection consistent. 5.LONG LASTING USE: Each 7oz bottle of humidor solution can be used for a variety of applications, and you get a nearly three month supply of clean humidor glycol solution. We recommend using every 1 to 2 weeks. specification:Item Type: Cigar Humidor Solution Material: Propylene Glycol, Distilled Water PackageList:1 x CigarHumidorSolution 1 xAdjustable Bottle Lid