If you want your message to get across, then spell it out in a Ghent 1-Door Oak Indoor Black Letterboard. Your announcement or listing will stay secure behind shatter-resistant hinged doors that come equipped with disc tumbler locks. An attractive letter panel with its precision grooves for easy letter insertion provides a long-lasting background for your messages. Interior case depth is 1-5/16". A set of 3/4" letters, numbers and characters is included. For outdoor usage, be sure to select our special unit with its vinyl letter panel, weather-resistant backing and durable aluminum framing. These letterboards come with a 10-year guarantee.