ShieldPro PillowPak 10 Gram Silica Gel Desiccant for Camera Cases, Gun Safes and Scientific Uses (50) 10 Gram Silica Gel Desiccant Protects 470 cubic Inches Use our ShieldPro Humidity Indicator Cards to know when to change your desiccant Keeps camera cases and gun safes dry, protecting your investment Also protects sensitve electronic equipment