Size 4 Boveda 2-Way Humidity Control is perfect for small medicine containers, small bags and pre-roll tins. Boveda is precise humidity control for herbal medicine, which restores and maintains humidity to create a protective monolayer of water molecules over trichomes, so you can Save the Terps with the original terpene shield. Experience for yourself how much better cannabis is with Boveda. 58% humidity Good for up to a 1/8 of flower.
