CVault Humidity Control Airtight Stash Container by FreshStor - Size: X-Large (4-8g Boveda Packs Included) Necessary Boveda Packs (4-8g Boveda Packs) included for immediate use... no plugs, batteries or activation required FDA Stainless Steel 18/10 construction for easy cleaning and UV protection of product 1/4" silicon seal and multiple latching system Patented 2-way airflow system maintains perfect 62% humidity level inside container