Keep your outdoor furniture looking great with Guardsman Weather Defense Metal Protector. This easy-to-apply aerosol spray seals metal with an invisible barrier to protect against the damaging effects of heat, sunlight, and moisture. Repels water to keep metal parts safe from rust and corrosion to slow the weathering process, and keeps them safe from mold, mildew, and fungi. For optimal performance, use as soon as possible on new furniture and re-apply every six months.