The Science Behind 2-Way Humidity Control

A System that automatically adds or removes moisture to maintain a precise humidity level.

2-way humidity control responds to its environment in real time. When conditions are too dry, it releases moisture.
When conditions are too humid, it absorbs excess. The result is a stable environment that protects what matters.

Infographic that shows the different parts of a Boveda humidity pack. Craft paper, Vapor phase osmosis membrane, and salt water solution.

What’s Inside a 2-Way Humidity Control Pack

Inside each pack is a purified water solution combined with natural salts. This solution is designed to maintain a specific relative humidity. A protective membrane allows moisture vapor to move in and out, automatically adjusting to the surrounding environment.

No activation. No maintenance. Just consistent performance.

  • Adds moisture when the air is dry
  • Removes moisture when the air is humid
  • Maintains a precise humidity level
  • Works continuously

One Technology. Multiple Environments.

The same 2-way humidity control technology powers multiple brands, each built for a specific use.

Male hand holding a 69% RH Boveda and placing it in a hood humidor with cigars

BOVEDA FOR CIGARS

When you store and age your cigars with Boveda, they'll reward you with fuller flavor, richer aromas, and smoother smokes.

Male hand placing a 49% RH Boveda in a fabric holder with a guitar and guitar case behind his hands.

BOVEDA FOR MUSIC

Zero-maintenance Boveda maintains your wooden instruments within a perfect humidity range to prevent damage and other costly repairs.

A picture sjpwing a Vivi Fresh pack, a Vivi Cure pack and a medium size CVault container.

VIVI FOR CANNABIS 

Cure in 10, burp-free days with Vivi Cure, and protect your hard work with Vivi Fresh. Whether curing or storing, Vivi preserves flower perfectly so it lasts longer and smokes smoother.

Skipper sitting on top of some vegetables in a fridge's crisper drawer

SKIPPER FOR PRODUCE 

Every fridge needs a Skipper. Your fridge only does cold, but produce needs hydration to thrive. Skipper releases purified water vapor, turning your crisper drawer into an oasis that keeps everything crisp, vibrant, and fresh for longer.