Perfect humidity is essential for keeping smoking material fresh for any length of time. Don't let your smokes dry out and damage! This makes a great gift for all the cigar and medicinal herb fans in your life. You can now ensure yours smoking material longevity in their storage container with the addition of the Boveda 62% Humidity Pack. Boveda's 2-way humidity control is the only technology that can be pre-formulated to a specific humidity level with an accuracy of +/-2%. Boveda guarantees a constant level of humidity that never fluctuates or cycles. You will never have to use distilled water sponges, tortilla, bread, lettuce for re-hydration of your herbs and cigars.