200 Gram Silica Gel Packet - Cotton Contains 100% White/Clear Silica Gel Non-Toxic and Chemically Inert Material Reactivation Instructions Printed On Bag Lockdown On Moisture Damage By Using Dry-Packs To Fight Corrosion! A great tool to assist you in keeping your items (Guns, Ammo, Seasonal & Holiday Storage, Tool, Cars, etc.) dry.