Absorbs the moisture near your guns; when it gets 'full', just bake it in an oven to get the moisture out, then reuse. Big bulk paks to handle gun safes and long term applications. No fancy containers or packaging, just the 'stuff' ready to put to work. SPECS: Dual Pak contains: (2) 16 Unit (528g) Calcium
Aluminosilicate Clay Desi Paks^®; (1)
Humidity Indicator and Instructions.