Provides maximum protection for firearms year round, in the safe or in the field. Vapor Corrosion Inhibitor (VCI) penetrates into the smallest cracks or crevices that oil cannot reach. Unlike silicone-based gun socks, does not seal moisture in. Neutralizes moisture and renders it non-corrosive. Will not abrade wood or metal finishes. Non-toxic and odorless. Drawstring closure. Fits most pistols.