The deluxe Enclosed Headliner bulletin boards are anything but an ordinary message center. Tackable back panels are constructed of self-healing natural cork for indoor units, and a sealed-back natural colored vinyl for outdoor applications. This bulletin board Includes a 6" high white acrylic header panel to clearly identify your organization's name for all to see. Features: -Complete with lockable hinged doors and shatter-resistant acrylic -Includes an illuminated, 6" high white acrylic header panel -Standard lettering on header is done in uppercase, helvetica-style black letters and is sized and centered on the opaque panel -Also available with an non-illuminated acrylic header panel (see related products) -Durable aluminum framed units can be ordered for either indoor or outdoor models -Please note that the Outdoor finishes are only weather-resistant, not weather proof. Any unit kept outdoors is still meant to be in a covered area and not exposed directly to the elements