The CVault container is an airtight, humidity-controlled container perfect for storing perishable goods. It is constructed of 18/10 food grade stainless steel. Smells, moisture, and light are blocked from entering a sealed Cvault. The stainless steel surface can be labelled and re-labelled with a non-permanent marker to clearly identify the contents. It is light weight. durable, and easy to use. This container comes with an 8 gram 62% Boveda Humidipak. Cvaults were specially designed to work with the Boveda patented 2-way humidity control system. This ensures that your product never gains or loses moisture. The Cvault container is truly the "ultimate storage solution container".