CVAULT STORAGE CONTAINER Feat: Sizes: Small, Medium, Large, 2 Liter, & 8 Liter Silicon ring and clamps keep stash airtight, waterproof and odor free. Will keep product fresh in any climate. Restores moisture to dried out or stale herbs. Cures young immature flowers. No activation, maintenance, refilling, plant damage, chemicals or unwanted flavors. Just natural salt and water that emits pure water vapor to keep your plants perfect.