The Boveda 58% Humidity Control Pack is one of the purest and most powerful ways to keep your herbs fresh. Backed with a large following of longstanding fans, Boveda packs have an impressive 2-year shelf life and can even restore dried up materials.

Boveda packs are made with only water and natural salt, packaged in a water-vapor permeable membrane. This unique, FDA approved technology can stabilize humidity to 58% within 48 hours. To use, simply place your herbs and one pack in an airtight container. 

Available in X-Small (4 grams), Small (8 grams) and Large (67 grams) sizes.

Note: For best efficiency, don't mix Boveda RH levels or add other humidification products in the same container.