Boveda 65% RH 2-Way Humidity Control | Size 60 for Use with Every 25 Cigars a Humidor Can Hold | Patented Technology for Humidors | 4-Count Resealable BagWHY THIS BOVEDA: Try Boveda 65% for long term storage & aging; tightly bound premiums that get musty at higher RHs; or if you live in year round high humidity. Use one 5. 25"x3. 5" humidifier packet for every 25 TOTAL items your humidifier box can hold. NATURAL INGREDIENTS. Trusted by over 3 million people to protect & maintain items at the perfect humidity level. WE GUARANTEE QUALITY! HOW BOVEDA WORKS: Boveda 65% RH keeps items fresh by stabilizing