Magnetic Mail Slot Cover - PEWTER (Silver) Energy Efficient, Eliminate costly drafts from mail slot openings Decorative Look, Eliminates unsightly openings and adds elegance Fits All Mail Slot Openings, For use on wood or metal doors Easy Installation, Fastens easily to the interior of all wood, fiberglass or metal entry doors or walls in minutes. 4 colors: Red, White, Gold Pewter (Silver)