Never guess if or when to refill a humidifier in your humidor. No more hassle (or mess) of using distilled water, gels or beads. Enjoy maintenance-free cigar care with Boveda. Fluctuating humidity levels cause cigars to lose essential oils and flavors. Preserve the craft of cigar makers who expertly blend tobaccos and perfectly balance the filler, binder and wrapper. Simply place Boveda packs in your humidor and close the lid, it’s that easy. Boveda precise humidity control packs automatically restore and maintain humidity in any type of cigar storage—desktop humidors, cabinet humidors, travel humidors, wineadors, coolerdors and tupperdors. Keep cigars ready to smoke with Boveda’s patented formula that uses all natural salt and water in its pack to ensure an exact Relative Humidity (RH). Choose from four different RH packets (65%, 69%, 72% and 75%). Check out the images to decide what percent RH and size Boveda are right for your cigar collection, your humidor, your climate. Resealable high-barrier plastic bag is factory sealed. Keep the zipper closed and you can expect these unwrapped Boveda to stay fresh for up to 2 years before you're ready to put them to use Lasts 2-4 months in a wood humidor; 6-9 months in an airtight humidor. A simple touch test will let you know when it’s time to replace Boveda—it will feel crunchy and rigid. Achieve a precise RH in a humidor. Properly preserve and age premium cigars. Protect a cigar investment with Boveda. Note: Do not mix different Boveda RH levels within the same humidor. And do not use Boveda in the same humidor with other humidification products because they will fight against each other and reduce the efficiency of Boveda.