These 2-way Boveda packs absorb and emits purified water vapor through a semi-permeable membrane so that it does not damage material through direct contact with moisture.
- Small 8 gram Humidification packs.
- 69% Relative Humidity level packs.
- Perfect for herbal medicine or small home rolled cigars.
- This size is recommended for small quantities of leaf. For larger amounts, use either of the 60+ gram units that are good for use with up to 1 LB of tobacco.