SafeNdry Rechargeable & Reusable Gun Safe Dehumidifier & Moisture Eliminator, X-Large Reduces the risk of mold, mildew, rust and corrosion Designed for Use with Guns bows ammunition Household safes accessories and other storage applications Protects up to 60 cubic feet of gun safes and other enclosed spaces Reusable and rechargeable Safety will start picking up moisture at 5% relative humidity and will keep it below 30%