Boveda, the original terpene shield, is precise humidity control for cannabis, which restores and maintains humidity to create a protective monolayer of water molecules over trichomes, so you can save the terps. Terpenes, the precious smell you love, are kept safe until ready for use. Simply place Boveda in a container with your herbal medicine and close the lid. It’s that easy. Boveda’s patented formula uses all natural salts and water to ensure the exact Relative Humidity (RH) your herbal medicine needs to maintain freshness. Experience for yourself how much better cannabis is with Boveda.