Everyone loves a little freshness. Some of that magic comes in the form of the Boveda Replacement Humidity Packs. These are used with CVault’s patent design and technology to ensure fresh curing and storage of all your perishables, herbs, spices, food and tobacco that needs storing. And now these packs stay fresher than ever because they are individually wrapped. The science of the humidity pack is the 2-way humidity control works by continually responding and adjusting to the outside temperature and climate by either adding or removing humidity as needed.