Preserve your favorite smoke moments with the most versatile Boveda ever! ONE (1) Size 320 = FIVE (5) Size 60. Use in a large, medium or small airtight humidor to precisely manage moisture with Boveda 2-way Humidity Control. 
 
69% RH is for: 
Wineador cigar coolers, wood humidors with a tight seal, acrylic humidors, tupperdors and coolerdors
Storing most premium cigars
Up to 5 lb of English, flakes and other non-flavored pipe tobacco 
A Single Size 320 is for: 
More condensed humidity control for a wineador or a large airtight humidor (Use a Boveda 320 instead of several Size 60 packs.) 
Long-lasting humidity control in a small airtight humidor (In a 25-count humidor, the Size 320 provides cigar protection for up to 1 year!)